Initial commit: coding-agent 4915718a month ago 900 lines · 33.8 KB 1 use anyhow :: { anyhow , bail , Context , Result }; 2 use rusqlite :: Connection 3 use serde_json :: { json , 4 use std :: time :: { 5 6 use crate :: db ; 7 8 const CMD_TIMEOUT : Duration 9 10 pub struct ToolDef 11 pub name : & 12 pub description : & 13 pub parameters : Value 14 } 15 16 pub fn definitions () 17 vec! [ 18 ToolDef { 19 name : " read_file " , 20 description : " Read the contents of a text file at the given path. Large files are returned as a bounded window (first 400 and last 100 lines) with a line-count marker; pass 'lines' to read a specific range instead. " , 21 parameters : json! 22 " type " : " object " , 23 " properties " : { 24 " path " : { " type " 25 " lines " : { " type " 26 }, 27 " required " : [ " path " 28 }), 29 }, 30 ToolDef { 31 name : " write_file " , 32 description : " Create a new file or overwrite an existing one with the given content. " , 33 parameters : json! 34 " type " : " object " , 35 " properties " : { 36 " path " : { " type " 37 " content " : { " type " 38 }, 39 " required " : [ " path " 40 }), 41 }, 42 ToolDef { 43 name : " edit_file " , 44 description : " Replace an exact substring in a file (find and replace). " , 45 parameters : json! 46 " type " : " object " , 47 " properties " : { 48 " path " : { " type " 49 " old_string " : { " type " 50 " new_string " : { " type " 51 " replace_all " : { " type " 52 }, 53 " required " : [ " path " 54 }), 55 }, 56 ToolDef { 57 name : " delete_file " , 58 description : " Delete the file at the given path. " , 59 parameters : json! 60 " type " : " object " , 61 " properties " : { 62 " path " : { " type " 63 }, 64 " required " : [ " path " 65 }), 66 }, 67 ToolDef { 68 name : " list_files " , 69 description : " List files matching a glob pattern under a directory. " , 70 parameters : json! 71 " type " : " object " , 72 " properties " : { 73 " path " : { " type " 74 " pattern " : { " type " 75 }, 76 " required " : [] 77 }), 78 }, 79 ToolDef { 80 name : " search " , 81 description : " Search files for a regular expression and return matching lines with file and line numbers. " , 82 parameters : json! 83 " type " : " object " , 84 " properties " : { 85 " pattern " : { " type " 86 " path " : { " type " 87 " include " : { " type " 88 }, 89 " required " : [ " pattern " 90 }), 91 }, 92 ToolDef { 93 name : " run_command " , 94 description : " Run a shell command (sh -c) and return its stdout, stderr and exit code. " , 95 parameters : json! 96 " type " : " object " , 97 " properties " : { 98 " command " : { " type " 99 " workdir " : { " type " 100 }, 101 " required " : [ " command " 102 }), 103 }, 104 ToolDef { 105 name : " task " , 106 description : " Launch a new agent to handle a task. Use this tool when you need to offload a complex or specialized task to a sub-agent. Each agent launched has access to its own tools and can work independently. Make sure to provide a very detailed description of the task for the agent. Available sub-agent types: 'general' (full tool access, makes file changes when needed), 'explore' (fast read-only research). " 107 parameters : json! 108 " type " : " object " , 109 " properties " : { 110 " description " : { " type " 111 " prompt " : { " type " 112 " subagent_type " : { " type " 113 " command " : { " type " 114 }, 115 " required " : [ " description " 116 }), 117 }, 118 ToolDef { 119 name : " web_search " , 120 description : " Search the web using the session's web search provider - performs real-time web searches and can scrape content from specific URLs. Provides up-to-date information for current events and recent data. Searches are performed automatically within a single call. The current year is 2026 - include the year in the query when searching for recent information or current events. No API key is required; the provider (Exa Web Search by default, or Parallel Web Search via the OPENCODE_WEBSEARCH_PROVIDER environment variable) is called keyless. " 121 parameters : json! 122 " type " : " object " , 123 " properties " : { 124 " query " : { " type " 125 " num_results " : { " type " 126 " type " : { " type " 127 " livecrawl " : { " type " 128 " context_max_characters " : { " type " 129 }, 130 " required " : [ " query " 131 }), 132 }, 133 ToolDef { 134 name : " web_fetch " , 135 description : " Fetch a URL (http/https only) and return its text content with HTML stripped. Use this to read the page behind a web_search result. Redirects are followed. " , 136 parameters : json! 137 " type " : " object " , 138 " properties " : { 139 " url " : { " type " 140 }, 141 " required " : [ " url " 142 }), 143 }, 144 ] 145 } 146 147 pub fn subagent_tools ( subagent_type 148 let all = 149 match subagent_type { 150 " explore " | " scout " 151 . into_iter () 152 . filter ( | t | 153 matches! ( 154 t . name , 155 " read_file " | " list_files " 156 ) 157 }) 158 . collect (), 159 _ => all , 160 } 161 } 162 163 pub fn execute ( conn 164 match name { 165 " read_file " => read_file 166 " write_file " => write_file 167 " edit_file " => edit_file 168 " delete_file " => delete_file 169 " list_files " => list_files 170 " search " => search 171 " run_command " => run_command 172 " web_search " => web_search 173 " web_fetch " => web_fetch 174 other => bail! 175 } 176 } 177 178 fn req_str ( args : 179 args . get ( key 180 . and_then ( | v | 181 . map ( | s | 182 . with_context ( || format! 183 } 184 185 fn truncate_utf8 ( s : 186 if s . len () 187 return s . to_string (); 188 } 189 let mut out 190 out . push_str ( & format! 191 out 192 } 193 194 const FILE_HEAD_LINES : usize 195 const FILE_TAIL_LINES : usize 196 const FILE_RANGE_MAX_LINES : usize 197 198 fn read_file ( args : 199 let path = 200 let data = 201 let lines : Vec 202 let total = 203 204 if let Some 205 let ( start , 206 let start = 207 let end = 208 let mut out 209 for ( i , line 210 out . push_str ( & format! 211 } 212 out . push_str ( & format! 213 return Ok ( out 214 } 215 216 if total <= FILE_HEAD_LINES 217 return Ok ( number_lines 218 } 219 let head = 220 let tail = 221 let mut out 222 for ( i , line 223 out . push_str ( & format! 224 } 225 out . push_str ( & format! 226 for ( i , line 227 out . push_str ( & format! 228 } 229 out . push_str ( & format! 230 Ok ( out ) 231 } 232 233 fn number_lines ( data : 234 let mut out 235 for ( i , line 236 out . push_str ( & format! 237 } 238 out 239 } 240 241 fn parse_range ( s : 242 let err = 243 if let Some 244 let start = 245 let end = 246 Ok (( start . 247 } else { 248 let n : usize 249 Ok (( n . 250 } 251 } 252 253 fn write_file ( conn : 254 let path = 255 let content = 256 let existed = 257 backup_before ( conn , session_id 258 if let Some 259 && ! parent . as_os_str 260 std :: fs :: create_dir_all 261 } 262 std :: fs :: write 263 Ok ( format! 264 } 265 266 fn edit_file ( conn : 267 let path = 268 let old_string = 269 let new_string = 270 let replace_all = 271 let content = 272 if ! content . contains 273 bail! ( " old_string not found in { path 274 } 275 let new_content = 276 content . replace ( & old_string 277 } else { 278 content . replacen ( & old_string 279 }; 280 backup_before ( conn , session_id 281 std :: fs :: write 282 Ok ( format! 283 } 284 285 fn delete_file ( conn : 286 let path = 287 backup_before ( conn , session_id 288 std :: fs :: remove_file 289 Ok ( format! 290 } 291 292 fn backup_before ( conn : 293 let abs = 294 let abs = 295 let mut backup_path 296 if kind != " 297 && let Ok 298 { 299 let dir = 300 let _ = 301 let name = 302 let bp = 303 if std :: fs 304 backup_path = Some 305 } 306 } 307 let _ = 308 } 309 310 fn basename ( path : 311 std :: path :: Path 312 . file_name () 313 . map ( | s | 314 . unwrap_or_else ( || " file 315 } 316 317 fn list_files ( args : 318 let dir = 319 let pattern = 320 let full = 321 let pat_str = 322 let mut out 323 let mut count 324 for entry in glob 325 match entry { 326 Ok ( p ) 327 out . push_str ( & format! 328 count += 1 ; 329 } 330 _ => {} 331 } 332 if count >= 500 333 out . push_str ( " ...(truncated) 334 break ; 335 } 336 } 337 if out . is_empty () 338 out . push_str ( " (no files matched) 339 } 340 Ok ( out ) 341 } 342 343 const IGNORED_DIRS : [ & 344 " .git " , 345 " .cache " , 346 " node_modules " , 347 " target " , 348 " .venv " , 349 " venv " , 350 " dist " , 351 " build " , 352 " __pycache__ " , 353 ]; 354 355 fn search ( args : 356 let pattern = 357 let root = 358 let include = 359 let re = 360 let include_pat = 361 let root_path = 362 if ! root_path . is_dir 363 bail! ( " not a directory: { root 364 } 365 let mut out 366 let mut count 367 let max = 368 search_dir ( root_path , & 369 if out . is_empty () 370 out . push_str ( " (no matches) 371 } 372 Ok ( out ) 373 } 374 375 fn search_dir ( 376 dir : & std :: 377 re : & regex :: 378 include_pat : Option 379 depth : usize 380 out : & mut 381 count : & mut 382 max : usize 383 ) -> Result < () 384 if depth > 14 385 return Ok (()); 386 } 387 for entry in std 388 let entry = 389 Ok ( e ) 390 Err ( _ ) 391 }; 392 let path = 393 let name = 394 if path . is_dir () 395 if name . starts_with ( 396 continue ; 397 } 398 search_dir ( & path , 399 continue ; 400 } 401 if let Some 402 let ok = 403 if ! ok { 404 continue ; 405 } 406 } 407 let data = 408 Ok ( d ) 409 Err ( _ ) 410 }; 411 if data . contains ( 412 continue ; 413 } 414 let text = 415 for ( i , line 416 if re . is_match ( 417 let trimmed : String 418 out . push_str ( & format! 419 * count += 1 ; 420 if * count >= 421 out . push_str ( " ...(truncated) 422 return Ok (()); 423 } 424 } 425 } 426 } 427 Ok (()) 428 } 429 430 fn run_command ( args : 431 run_command_with_timeout ( args , CMD_TIMEOUT 432 } 433 434 fn run_command_with_timeout ( args : 435 let cmd = 436 let workdir = 437 let mut child 438 . arg ( " -c " ) 439 . arg ( & cmd ) 440 . current_dir ( workdir ) 441 . stdin ( std :: process 442 . stdout ( std :: process 443 . stderr ( std :: process 444 . spawn () 445 . with_context ( || format! 446 let mut stdout 447 let mut stderr 448 let stdout_reader = 449 let mut buf 450 let _ = 451 buf 452 }); 453 let stderr_reader = 454 let mut buf 455 let _ = 456 buf 457 }); 458 let deadline = 459 let status = 460 if let Some 461 break st ; 462 } 463 if Instant :: now 464 let _ = 465 let _ = 466 bail! ( " command timed out after {} s: 467 } 468 std :: thread :: sleep 469 }; 470 let out = 471 . join () 472 . map_err ( | _ | 473 let err = 474 . join () 475 . map_err ( | _ | 476 let mut out_s 477 if ! out . is_empty 478 out_s . push_str ( & String 479 } 480 if ! err . is_empty 481 out_s . push_str ( & String 482 } 483 out_s . push_str ( & format! 484 Ok ( truncate_utf8 ( 485 } 486 487 const WEB_TIMEOUT : Duration 488 const WEB_USER_AGENT : & str 489 const WEB_FETCH_CAP : usize 490 const WEB_MCP_TIMEOUT : Duration 491 const EXA_MCP_URL : & str 492 const PARALLEL_MCP_URL : & str 493 494 fn env_key ( name : 495 std :: env :: var 496 . ok () 497 . map ( | v | 498 . filter ( | v | 499 } 500 501 fn web_search ( args : 502 let query = 503 let num_results = 504 . get ( " num_results " ) 505 . and_then ( | v | 506 . map ( | v | 507 . unwrap_or ( 8 ); 508 let search_type = 509 . get ( " type " ) 510 . and_then ( | v | 511 . filter ( | t | 512 . unwrap_or ( " auto " ) 513 . to_string (); 514 let livecrawl = 515 . get ( " livecrawl " ) 516 . and_then ( | v | 517 . filter ( | t | 518 . unwrap_or ( " fallback " ) 519 . to_string (); 520 let context_max = 521 . get ( " context_max_characters " ) 522 . and_then ( | v | 523 . map ( | v | 524 525 let primary = 526 Ok ( " parallel " ) 527 _ => " exa " 528 }; 529 let providers : & 530 & [ " exa " , " parallel 531 } else { 532 & [ " parallel " , " exa 533 }; 534 let mut last_err 535 for provider in providers 536 match call_web_search ( provider , 537 { 538 Ok ( text ) 539 Err ( e ) 540 } 541 } 542 Err ( last_err . 543 } 544 545 fn call_web_search ( 546 provider : & str 547 query : & str 548 num_results : usize 549 search_type : & str 550 livecrawl : & str 551 context_max : Option 552 ) -> Result < String 553 if provider == " 554 let args = 555 " objective " : query , 556 " search_queries " : [ query 557 }); 558 let headers : Vec 559 . map ( | key | 560 . into_iter () 561 . collect (); 562 let refs : Vec 563 . iter () 564 . map ( | ( k 565 . collect (); 566 let text = 567 Ok ( format! 568 } else { 569 let url = 570 Some ( key ) 571 " { EXA_MCP_URL } ?exaApiKey= {} " , 572 url :: form_urlencoded :: byte_serialize 573 ), 574 None => EXA_MCP_URL 575 }; 576 let mut args 577 args . insert ( " query 578 args . insert ( " type 579 args . insert ( " numResults 580 args . insert ( " livecrawl 581 if let Some 582 args . insert ( " contextMaxCharacters 583 } 584 let text = 585 Ok ( format! 586 } 587 } 588 589 fn mcp_call ( url : 590 let body = 591 " jsonrpc " : " 2.0 " , 592 " id " : 1 , 593 " method " : " tools/call " , 594 " params " : { " name 595 }); 596 let mut req 597 . timeout ( WEB_MCP_TIMEOUT ) 598 . set ( " Accept " , 599 . set ( " Content-Type " , 600 . set ( " User-Agent " , 601 for ( k , v 602 req = req . 603 } 604 let resp = 605 let body = 606 match parse_mcp_response ( & body 607 Ok ( Some 608 Ok ( None 609 Err ( e ) 610 } 611 } 612 613 fn clean_search_text ( text : 614 text . lines () 615 . filter ( | l | 616 . collect :: < Vec 617 . join ( " \ n " 618 . trim () 619 . to_string () 620 } 621 622 fn parse_mcp_response ( body : 623 let parse_payload = 624 let trimmed = 625 if ! trimmed . starts_with 626 return Ok ( None 627 } 628 let val : Value 629 serde_json :: from_str ( trimmed 630 if let Some 631 let msg = 632 . get ( " message " ) 633 . and_then ( | m | 634 . map ( str :: to_string 635 . unwrap_or_else ( || err 636 bail! ( " web search provider error: { msg 637 } 638 let content = 639 . get ( " result " ) 640 . and_then ( | r | 641 . and_then ( | c | 642 { 643 Some ( c ) 644 None => return 645 }; 646 for item in content 647 if item . get ( 648 && let Some 649 { 650 let text = 651 if ! text . is_empty 652 return Ok ( Some 653 } 654 } 655 } 656 Ok ( None 657 }; 658 if let Some 659 return Ok ( Some 660 } 661 for line in body 662 let line = 663 if let Some 664 && let Some 665 { 666 return Ok ( Some 667 } 668 } 669 Ok ( None 670 } 671 672 fn web_fetch ( args : 673 let raw_url = 674 let parsed = 675 match parsed . scheme () 676 " http " | " https " 677 other => bail! 678 } 679 let resp = 680 . timeout ( WEB_TIMEOUT ) 681 . set ( " User-Agent " , 682 . set ( " Accept " , 683 . call () 684 . map_err ( | e | 685 let body = 686 let text = 687 let text = 688 truncate_utf8 ( & body , 689 } else { 690 truncate_utf8 ( & text , 691 }; 692 Ok ( format! 693 } 694 695 fn html_to_text ( html : 696 let mut s 697 for tag in [ 698 let re = 699 s = re . 700 } 701 let tag_re = 702 let s = 703 let mut s 704 for ( ent , ch 705 ( " & " , " & " 706 ( " < " , " < " 707 ( " > " , " > " 708 ( " " " , " \ " 709 ( " ' " , " ' " 710 ( " ' " , " ' " 711 ( " " , " " 712 ] { 713 s = s . 714 } 715 let ws_re = 716 ws_re . replace_all ( & s 717 } 718 719 # [ cfg ( test )] 720 mod tests { 721 use super ::* ; 722 723 fn names ( tools : 724 tools . iter () . map 725 } 726 727 # [ test ] 728 fn task_tool_is_defined () { 729 assert! ( definitions () 730 } 731 732 # [ test ] 733 fn web_tools_are_defined () { 734 let all = 735 let names = 736 assert! ( names . contains 737 assert! ( names . contains 738 } 739 740 # [ test ] 741 fn general_subagent_gets_all_tools () { 742 let tools = 743 assert_eq! ( names ( & 744 } 745 746 # [ test ] 747 fn explore_subagent_is_read_only () { 748 let tools = 749 let mut names 750 names . sort_unstable (); 751 assert_eq! ( 752 names , 753 vec! [ 754 " list_files " , 755 " read_file " , 756 " search " , 757 " task " , 758 " web_fetch " , 759 " web_search " 760 ] 761 ); 762 } 763 764 # [ test ] 765 fn web_search_missing_query_errors () { 766 assert! ( web_search ( 767 } 768 769 # [ test ] 770 fn web_fetch_rejects_non_http_schemes () { 771 assert! ( web_fetch ( & 772 assert! ( web_fetch ( & 773 } 774 775 # [ test ] 776 fn web_fetch_invalid_url_errors () { 777 assert! ( web_fetch ( & 778 } 779 780 # [ test ] 781 fn html_to_text_strips_markup () { 782 let html = 783 assert_eq! ( html_to_text ( 784 } 785 786 # [ test ] 787 fn parse_mcp_response_reads_direct_json () { 788 let body = 789 assert_eq! ( parse_mcp_response ( 790 } 791 792 # [ test ] 793 fn parse_mcp_response_reads_sse_lines () { 794 let body = 795 assert_eq! ( parse_mcp_response ( 796 } 797 798 # [ test ] 799 fn parse_mcp_response_surfaces_provider_errors () { 800 let body = 801 let err = 802 assert! ( err . to_string 803 } 804 805 # [ test ] 806 fn parse_mcp_response_returns_none_for_no_results () { 807 let body = 808 assert! ( parse_mcp_response ( 809 } 810 811 # [ test ] 812 fn clean_search_text_drops_ellipsis_separators () { 813 let text = 814 assert_eq! ( 815 clean_search_text ( text ), 816 " Title: Foo \ n URL: https://x.dev \ n Highlights: \ 817 ); 818 } 819 820 # [ test ] 821 fn clean_search_text_keeps_embedded_ellipsis () { 822 assert_eq! ( clean_search_text ( 823 } 824 825 # [ test ] 826 # [ ignore ] 827 fn web_search_reaches_exa_keyless () { 828 let out = 829 assert! ( out . contains 830 } 831 832 # [ test ] 833 # [ ignore ] 834 fn web_fetch_reads_a_real_page () { 835 let out = 836 assert! ( out . contains 837 } 838 839 # [ test ] 840 fn run_command_captures_output_and_exit_code () { 841 let out = 842 assert! ( out . contains 843 assert! ( out . contains 844 } 845 846 # [ test ] 847 fn run_command_times_out_on_hanging_command () { 848 let start = 849 let err = 850 . unwrap_err (); 851 assert! ( err . to_string 852 assert! ( 853 start . elapsed () < 854 " timeout took too long: { :? } " , 855 start . elapsed () 856 ); 857 } 858 859 fn temp_file ( name : 860 let dir = 861 let path = 862 std :: fs :: write 863 path 864 } 865 866 # [ test ] 867 fn read_file_small_file_has_line_numbers () { 868 let path = 869 let out = 870 assert_eq! ( out , 871 let _ = 872 } 873 874 # [ test ] 875 fn read_file_range_returns_numbered_window () { 876 let content : String 877 let path = 878 let out = 879 assert! ( out . starts_with 880 assert! ( out . contains 881 assert! ( out . contains 882 assert! ( out . contains 883 assert! ( ! out . 884 let _ = 885 } 886 887 # [ test ] 888 fn read_file_big_file_returns_head_tail_window () { 889 let content : String 890 let path = 891 let out = 892 assert! ( out . contains 893 assert! ( out . contains 894 assert! ( out . contains 895 assert! ( out . contains 896 assert! ( out . contains 897 assert! ( out . contains 898 let _ = 899 } 900 }
;
Value
};
Duration
,
Instant
};
=
Duration
::
from_secs
(
180
);
{
'
static
str
,
'
static
str
,
,
->
Vec
<
ToolDef
>
{
({
:
"
string
"
,
"
description
"
:
"
Absolute or relative path to the file.
"
},
:
"
string
"
,
"
description
"
:
"
Optional line range to read, 1-indexed and inclusive, e.g.
\
"
1-100
\
"
,
\
"
200
\
"
,
\
"
400-
\
"
or
\
"
-50
\
"
. Read at most 500 lines per call.
"
}
]
({
:
"
string
"
,
"
description
"
:
"
Path to the file.
"
},
:
"
string
"
,
"
description
"
:
"
Full new content of the file.
"
}
,
"
content
"
]
({
:
"
string
"
,
"
description
"
:
"
Path to the file.
"
},
:
"
string
"
,
"
description
"
:
"
Exact text to search for.
"
},
:
"
string
"
,
"
description
"
:
"
Replacement text.
"
},
:
"
boolean
"
,
"
default
"
:
false
,
"
description
"
:
"
Replace every occurrence if true, otherwise only the first.
"
}
,
"
old_string
"
,
"
new_string
"
]
({
:
"
string
"
,
"
description
"
:
"
Path to the file to delete.
"
}
]
({
:
"
string
"
,
"
description
"
:
"
Directory to search. Defaults to the current directory.
"
},
:
"
string
"
,
"
description
"
:
"
Glob pattern, e.g. '**/*.rs'. Defaults to '**/*'.
"
}
({
:
"
string
"
,
"
description
"
:
"
Regular expression to search for.
"
},
:
"
string
"
,
"
description
"
:
"
Directory to search. Defaults to the current directory.
"
},
:
"
string
"
,
"
description
"
:
"
Optional glob restricting which files to search, e.g. '*.rs' or '**/*.rs'.
"
}
]
({
:
"
string
"
,
"
description
"
:
"
Shell command to run.
"
},
:
"
string
"
,
"
description
"
:
"
Directory to run the command in. Defaults to the current directory.
"
}
]
,
({
:
"
string
"
,
"
description
"
:
"
Short description of the task. This should be 3-4 words.
"
},
:
"
string
"
,
"
description
"
:
"
The task for the agent to perform. Be very specific and detailed, including all the context, requirements, and any files that need to be reviewed or modified.
"
},
:
"
string
"
,
"
description
"
:
"
Which type of sub-agent to use. The default is the general purpose agent.
"
,
"
enum
"
:
[
"
general
"
,
"
explore
"
]},
:
"
string
"
,
"
description
"
:
"
Optional: the command that triggered this task.
"
}
,
"
prompt
"
]
,
({
:
"
string
"
,
"
description
"
:
"
The search query.
"
},
:
"
integer
"
,
"
description
"
:
"
Number of search results to return (default: 8).
"
},
:
"
string
"
,
"
enum
"
:
[
"
auto
"
,
"
fast
"
,
"
deep
"
],
"
description
"
:
"
Search type - 'auto' balanced search (default), 'fast' quick results, 'deep' comprehensive search.
"
},
:
"
string
"
,
"
enum
"
:
[
"
fallback
"
,
"
preferred
"
],
"
description
"
:
"
Live crawl mode - 'fallback' (default), 'preferred' (prioritize live crawling).
"
},
:
"
integer
"
,
"
description
"
:
"
Maximum characters for context string optimized for LLM (default: 10000).
"
}
]
({
:
"
string
"
,
"
description
"
:
"
The URL to fetch.
"
}
]
:
&
str
)
->
Vec
<
ToolDef
>
{
definitions
();
=>
all
{
|
"
search
"
|
"
task
"
|
"
web_search
"
|
"
web_fetch
"
:
&
Connection
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session_id
:
i64
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name
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&
str
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args
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Value
)
->
Result
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>
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conn
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session_id
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),
(
args
),
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),
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args
),
(
"
unknown tool:
{
other
}
"
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&
Value
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str
)
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Result
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String
>
{
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as_str
())
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to_string
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limit
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->
String
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<=
limit
{
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to_string
();
(
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=
400
;
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100
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&
Value
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->
Result
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String
>
{
req_str
(
args
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path
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?
;
std
::
fs
::
read_to_string
(
&
path
)
.
with_context
(
||
format!
(
"
failed to read file:
{
path
}
"
))
?
;
<
&
str
>
=
data
.
lines
()
.
collect
();
lines
.
len
();
(
range
)
=
args
.
get
(
"
lines
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
filter
(
|
s
|
!
s
.
is_empty
())
{
end
)
=
parse_range
(
range
,
total
)
?
;
start
.
min
(
total
)
.
max
(
1
);
end
.
min
(
total
)
.
max
(
start
)
.
min
(
start
+
FILE_RANGE_MAX_LINES
-
1
);
=
format!
(
"
---
{
path
}
: lines
{
start
}
-
{
end
}
of
{
total
}
---
\
n
"
);
)
in
lines
.
iter
()
.
enumerate
()
.
take
(
end
)
.
skip
(
start
-
1
)
{
(
"
{
:>6
}
│
{
line
}
\
n
"
,
i
+
1
));
(
"
--- end of range (file has
{
total
}
lines) ---
\
n
"
));
);
+
FILE_TAIL_LINES
{
(
&
data
,
total
));
&
lines
[
..
FILE_HEAD_LINES
];
&
lines
[
total
-
FILE_TAIL_LINES
..
];
=
format!
(
"
---
{
path
}
:
{
total
}
lines, showing first
{
FILE_HEAD_LINES
}
and last
{
FILE_TAIL_LINES
}
---
\
n
"
);
)
in
head
.
iter
()
.
enumerate
()
{
(
"
{
:>6
}
│
{
line
}
\
n
"
,
i
+
1
));
(
"
...
{}
lines omitted...
\
n
"
,
total
-
FILE_HEAD_LINES
-
FILE_TAIL_LINES
));
)
in
tail
.
iter
()
.
enumerate
()
{
(
"
{
:>6
}
│
{
line
}
\
n
"
,
total
-
FILE_TAIL_LINES
+
i
+
1
));
(
"
--- end of
{
path
}
: pass 'lines' to read a specific range, e.g.
\
"
100-200
\
"
---
\
n
"
));
&
str
,
total
:
usize
)
->
String
{
=
String
::
with_capacity
(
data
.
len
()
+
total
*
4
);
)
in
data
.
lines
()
.
enumerate
()
{
(
"
{
:>6
}
│
{
line
}
\
n
"
,
i
+
1
));
&
str
,
total
:
usize
)
->
Result
<
(
usize
,
usize
)
>
{
||
format!
(
"
invalid line range '
{
s
}
', expected e.g. '1-100'
"
);
((
a
,
b
))
=
s
.
split_once
(
'
-
'
)
{
if
a
.
trim
()
.
is_empty
()
{
1
}
else
{
a
.
trim
()
.
parse
()
.
map_err
(
|
_
|
anyhow!
(
err
()))
?
};
if
b
.
trim
()
.
is_empty
()
{
total
}
else
{
b
.
trim
()
.
parse
()
.
map_err
(
|
_
|
anyhow!
(
err
()))
?
};
max
(
1
),
end
.
max
(
1
)))
=
s
.
trim
()
.
parse
()
.
map_err
(
|
_
|
anyhow!
(
err
()))
?
;
max
(
1
),
n
))
&
Connection
,
session_id
:
i64
,
args
:
&
Value
)
->
Result
<
String
>
{
req_str
(
args
,
"
path
"
)
?
;
req_str
(
args
,
"
content
"
)
?
;
std
::
path
::
Path
::
new
(
&
path
)
.
exists
();
,
&
path
,
if
existed
{
"
before
"
}
else
{
"
created
"
});
(
parent
)
=
std
::
path
::
Path
::
new
(
&
path
)
.
parent
()
()
.
is_empty
()
{
(
parent
)
.
ok
();
(
&
path
,
&
content
)
.
with_context
(
||
format!
(
"
failed to write file:
{
path
}
"
))
?
;
(
"
Wrote
{}
bytes to
{
path
}
"
,
content
.
len
()))
&
Connection
,
session_id
:
i64
,
args
:
&
Value
)
->
Result
<
String
>
{
req_str
(
args
,
"
path
"
)
?
;
req_str
(
args
,
"
old_string
"
)
?
;
req_str
(
args
,
"
new_string
"
)
?
;
args
.
get
(
"
replace_all
"
)
.
and_then
(
|
v
|
v
.
as_bool
())
.
unwrap_or
(
false
);
std
::
fs
::
read_to_string
(
&
path
)
.
with_context
(
||
format!
(
"
failed to read file:
{
path
}
"
))
?
;
(
&
old_string
)
{
}
"
);
if
replace_all
{
,
&
new_string
)
,
&
new_string
,
1
)
,
&
path
,
"
before
"
);
(
&
path
,
&
new_content
)
.
with_context
(
||
format!
(
"
failed to write file:
{
path
}
"
))
?
;
(
"
Edited
{
path
}
"
))
&
Connection
,
session_id
:
i64
,
args
:
&
Value
)
->
Result
<
String
>
{
req_str
(
args
,
"
path
"
)
?
;
,
&
path
,
"
deleted
"
);
(
&
path
)
.
with_context
(
||
format!
(
"
failed to delete file:
{
path
}
"
))
?
;
(
"
Deleted
{
path
}
"
))
&
Connection
,
session_id
:
i64
,
path
:
&
str
,
kind
:
&
str
)
{
std
::
path
::
absolute
(
path
)
.
unwrap_or_else
(
|
_
|
std
::
path
::
PathBuf
::
from
(
path
));
abs
.
to_string_lossy
()
.
into_owned
();
:
Option
<
String
>
=
None
;
created
"
(
content
)
=
std
::
fs
::
read
(
&
abs
)
db
::
backup_dir
(
session_id
);
std
::
fs
::
create_dir_all
(
&
dir
);
format!
(
"
{}
-
{}
.bak
"
,
uuid
::
Uuid
::
now_v7
(),
basename
(
&
abs
));
dir
.
join
(
name
);
::
write
(
&
bp
,
&
content
)
.
is_ok
()
{
(
bp
.
to_string_lossy
()
.
into_owned
());
db
::
record_file_backup
(
conn
,
session_id
,
&
abs
,
kind
,
backup_path
.
as_deref
());
&
str
)
->
String
{
::
new
(
path
)
s
.
to_string_lossy
()
.
into_owned
())
"
.
to_string
())
&
Value
)
->
Result
<
String
>
{
args
.
get
(
"
path
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
"
.
"
);
args
.
get
(
"
pattern
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
"
**/*
"
);
std
::
path
::
Path
::
new
(
dir
)
.
join
(
pattern
);
full
.
to_string_lossy
()
.
to_string
();
=
String
::
new
();
=
0
usize
;
::
glob
(
&
pat_str
)
.
with_context
(
||
format!
(
"
bad glob pattern:
{
pattern
}
"
))
?
{
if
p
.
is_file
()
=>
{
(
"
{}
\
n
"
,
p
.
display
()));
{
\
n
"
);
{
\
n
"
);
str
;
9
]
=
[
&
Value
)
->
Result
<
String
>
{
req_str
(
args
,
"
pattern
"
)
?
;
args
.
get
(
"
path
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
"
.
"
);
args
.
get
(
"
include
"
)
.
and_then
(
|
v
|
v
.
as_str
());
regex
::
Regex
::
new
(
&
pattern
)
.
context
(
"
invalid regex pattern
"
)
?
;
include
.
and_then
(
|
s
|
glob
::
Pattern
::
new
(
s
)
.
ok
());
std
::
path
::
Path
::
new
(
root
);
()
{
}
"
);
=
String
::
new
();
=
0
usize
;
200
usize
;
re
,
include_pat
.
as_ref
(),
0
,
&
mut
out
,
&
mut
count
,
max
)
?
;
{
\
n
"
);
path
::
Path
,
Regex
,
<
&
glob
::
Pattern
>
,
,
String
,
usize
,
,
>
{
||
*
count
>=
max
{
::
fs
::
read_dir
(
dir
)
?
{
match
entry
{
=>
e
,
=>
continue
,
entry
.
path
();
entry
.
file_name
()
.
to_string_lossy
()
.
to_string
();
{
'
.
'
)
||
IGNORED_DIRS
.
contains
(
&
name
.
as_str
())
{
re
,
include_pat
,
depth
+
1
,
out
,
count
,
max
)
?
;
(
p
)
=
include_pat
{
p
.
matches
(
&
path
.
to_string_lossy
())
||
p
.
matches
(
&
name
);
match
std
::
fs
::
read
(
&
path
)
{
=>
d
,
=>
continue
,
&
0
u8
)
{
String
::
from_utf8_lossy
(
&
data
);
)
in
text
.
lines
()
.
enumerate
()
{
line
)
{
=
line
.
chars
()
.
take
(
300
)
.
collect
();
(
"
{}
:
{}
:
{}
\
n
"
,
path
.
display
(),
i
+
1
,
trimmed
));
max
{
\
n
"
);
&
Value
)
->
Result
<
String
>
{
)
&
Value
,
timeout
:
Duration
)
->
Result
<
String
>
{
req_str
(
args
,
"
command
"
)
?
;
args
.
get
(
"
workdir
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
"
.
"
);
=
std
::
process
::
Command
::
new
(
"
sh
"
)
::
Stdio
::
null
())
::
Stdio
::
piped
())
::
Stdio
::
piped
())
(
"
failed to run command:
{
cmd
}
"
))
?
;
=
child
.
stdout
.
take
()
.
expect
(
"
piped stdout
"
);
=
child
.
stderr
.
take
()
.
expect
(
"
piped stderr
"
);
std
::
thread
::
spawn
(
move
||
{
=
Vec
::
new
();
std
::
io
::
Read
::
read_to_end
(
&
mut
stdout
,
&
mut
buf
);
std
::
thread
::
spawn
(
move
||
{
=
Vec
::
new
();
std
::
io
::
Read
::
read_to_end
(
&
mut
stderr
,
&
mut
buf
);
Instant
::
now
()
+
timeout
;
loop
{
(
st
)
=
child
.
try_wait
()
?
{
()
>=
deadline
{
child
.
kill
();
child
.
wait
();
{
cmd
}
"
,
timeout
.
as_secs
());
(
Duration
::
from_millis
(
50
));
stdout_reader
anyhow!
(
"
stdout reader panicked
"
))
?
;
stderr_reader
anyhow!
(
"
stderr reader panicked
"
))
?
;
=
format!
(
"
$
{
cmd
}
\
n
"
);
()
{
::
from_utf8_lossy
(
&
out
));
()
{
::
from_utf8_lossy
(
&
err
));
(
"
[exit code:
{}
]
"
,
status
.
code
()
.
unwrap_or
(
-
1
)));
&
out_s
,
100_000
))
=
Duration
::
from_secs
(
20
);
=
"
coding-agent/0.1
"
;
=
30_000
;
=
Duration
::
from_secs
(
25
);
=
"
https://mcp.exa.ai/mcp
"
;
=
"
https://search.parallel.ai/mcp
"
;
&
str
)
->
Option
<
String
>
{
(
name
)
v
.
trim
()
.
to_string
())
!
v
.
is_empty
())
&
Value
)
->
Result
<
String
>
{
req_str
(
args
,
"
query
"
)
?
;
args
v
.
as_u64
())
v
as
usize
)
args
v
.
as_str
())
matches!
(
*
t
,
"
auto
"
|
"
fast
"
|
"
deep
"
))
args
v
.
as_str
())
matches!
(
*
t
,
"
fallback
"
|
"
preferred
"
))
args
v
.
as_u64
())
v
as
usize
);
match
std
::
env
::
var
(
"
OPENCODE_WEBSEARCH_PROVIDER
"
)
.
as_deref
()
{
=>
"
parallel
"
,
,
[
&
str
]
=
if
primary
==
"
exa
"
{
"
]
"
]
:
Option
<
anyhow
::
Error
>
=
None
;
{
&
query
,
num_results
,
&
search_type
,
&
livecrawl
,
context_max
)
=>
return
Ok
(
text
),
=>
last_err
=
Some
(
e
),
unwrap_or_else
(
||
anyhow!
(
"
web search failed
"
)))
,
,
,
,
,
<
usize
>
,
>
{
parallel
"
{
json!
({
],
<
(
String
,
String
)
>
=
env_key
(
"
PARALLEL_API_KEY
"
)
(
"
Authorization
"
.
to_string
(),
format!
(
"
Bearer
{
key
}
"
)))
<
(
&
str
,
&
str
)
>
=
headers
,
v
)
|
(
k
.
as_str
(),
v
.
as_str
()))
mcp_call
(
PARALLEL_MCP_URL
,
"
web_search
"
,
args
,
&
refs
)
?
;
(
"
Web search results (Parallel Web Search) for:
{
query
}
\
n
{
text
}
"
))
match
env_key
(
"
EXA_API_KEY
"
)
{
=>
format!
(
(
key
.
as_bytes
())
.
collect
::
<
String
>
()
.
to_string
(),
=
serde_json
::
Map
::
new
();
"
.
into
(),
json!
(
query
));
"
.
into
(),
json!
(
search_type
));
"
.
into
(),
json!
(
num_results
));
"
.
into
(),
json!
(
livecrawl
));
(
c
)
=
context_max
{
"
.
into
(),
json!
(
c
));
mcp_call
(
&
url
,
"
web_search_exa
"
,
Value
::
Object
(
args
),
&
[])
?
;
(
"
Web search results (Exa Web Search) for:
{
query
}
\
n
{
text
}
"
))
&
str
,
tool
:
&
str
,
args
:
Value
,
headers
:
&
[(
&
str
,
&
str
)])
->
Result
<
String
>
{
json!
({
"
:
tool
,
"
arguments
"
:
args
}
=
ureq
::
post
(
url
)
"
application/json, text/event-stream
"
)
"
application/json
"
)
WEB_USER_AGENT
);
)
in
headers
{
set
(
k
,
v
);
req
.
send_json
(
&
body
)
.
map_err
(
|
e
|
anyhow!
(
"
{
tool
}
:
{
e
}
"
))
?
;
resp
.
into_string
()
.
context
(
"
web search: invalid response body
"
)
?
;
)
{
(
text
))
=>
Ok
(
clean_search_text
(
&
text
)),
)
=>
Ok
(
"
No search results found. Please try a different query.
"
.
to_string
()),
=>
Err
(
e
),
&
str
)
->
String
{
l
.
trim
()
!=
"
...
"
)
<
_
>>
()
)
&
str
)
->
Result
<
Option
<
String
>>
{
|
payload
:
&
str
|
->
Result
<
Option
<
String
>>
{
payload
.
trim
();
(
'
{
'
)
{
);
=
)
.
context
(
"
web search provider returned malformed JSON
"
)
?
;
(
err
)
=
val
.
get
(
"
error
"
)
{
err
m
.
as_str
())
)
.
to_string
());
}
"
);
match
val
r
.
get
(
"
content
"
))
c
.
as_array
())
=>
c
,
Ok
(
None
),
{
"
type
"
)
.
and_then
(
|
v
|
v
.
as_str
())
==
Some
(
"
text
"
)
(
text
)
=
item
.
get
(
"
text
"
)
.
and_then
(
|
v
|
v
.
as_str
())
text
.
trim
();
()
{
(
text
.
to_string
()));
)
(
text
)
=
parse_payload
(
body
)
?
{
(
text
));
.
split
(
'
\
n
'
)
{
line
.
trim_start
();
(
payload
)
=
line
.
strip_prefix
(
"
data:
"
)
(
text
)
=
parse_payload
(
payload
)
?
(
text
));
)
&
Value
)
->
Result
<
String
>
{
req_str
(
args
,
"
url
"
)
?
;
url
::
Url
::
parse
(
&
raw_url
)
.
with_context
(
||
format!
(
"
invalid URL:
{
raw_url
}
"
))
?
;
{
=>
{}
(
"
unsupported URL scheme
\
"
{
other
}
\
"
: only http and https are allowed
"
),
ureq
::
get
(
raw_url
.
as_str
())
WEB_USER_AGENT
)
"
text/html, text/plain;q=0.9, */*;q=0.5
"
)
anyhow!
(
"
web_fetch:
{
e
}
"
))
?
;
resp
.
into_string
()
.
context
(
"
web_fetch: invalid body
"
)
?
;
html_to_text
(
&
body
);
if
text
.
is_empty
()
{
WEB_FETCH_CAP
)
WEB_FETCH_CAP
)
(
"
Content of
{
raw_url
}
:
\
n
{
text
}
"
))
&
str
)
->
String
{
=
html
.
to_string
();
"
script
"
,
"
style
"
,
"
noscript
"
]
{
regex
::
Regex
::
new
(
&
format!
(
r
"
(?is)<{tag}[^>]*>.*?</{tag}>
"
))
.
unwrap
();
replace_all
(
&
s
,
"
"
)
.
into_owned
();
regex
::
Regex
::
new
(
r
"
(?s)<[^>]*>
"
)
.
unwrap
();
tag_re
.
replace_all
(
&
s
,
"
"
)
.
into_owned
();
=
s
;
)
in
[
),
),
),
"
),
),
),
),
replace
(
ent
,
ch
);
regex
::
Regex
::
new
(
r
"
[ \t\r\n]+
"
)
.
unwrap
();
,
"
"
)
.
trim
()
.
to_string
()
&
[
ToolDef
])
->
Vec
<
&
str
>
{
(
|
t
|
t
.
name
)
.
collect
()
.
iter
()
.
any
(
|
t
|
t
.
name
==
"
task
"
));
definitions
();
names
(
&
all
);
(
&
"
web_search
"
));
(
&
"
web_fetch
"
));
subagent_tools
(
"
general
"
);
tools
),
names
(
&
definitions
()));
subagent_tools
(
"
explore
"
);
:
Vec
<
&
str
>
=
names
(
&
tools
);
&
json!
({}))
.
is_err
());
json!
({
"
url
"
:
"
file:///etc/passwd
"
}))
.
is_err
());
json!
({
"
url
"
:
"
ftp://example.com/x
"
}))
.
is_err
());
json!
({
"
url
"
:
"
not a url
"
}))
.
is_err
());
"
<html><head><style>.x
{}
</style></head><body>Hello <b>world</b> & folks.<script>evil()</script></body></html>
"
;
html
),
"
Hello world & folks.
"
);
r
#"
{"jsonrpc":"2.0","id":1,"result":{"content":[{"type":"text","text":"Result text"}]}}
"#
;
body
)
.
unwrap
()
.
unwrap
(),
"
Result text
"
);
"
event: message
\
n
data: {
\
"
result
\
"
:{
\
"
content
\
"
:[{
\
"
type
\
"
:
\
"
text
\
"
,
\
"
text
\
"
:
\
"
SSE text
\
"
}]}}
\
n
\
n
event: message
\
n
"
;
body
)
.
unwrap
()
.
unwrap
(),
"
SSE text
"
);
r
#"
{"jsonrpc":"2.0","id":1,"error":{"code":-32000,"message":"query failed"}}
"#
;
parse_mcp_response
(
body
)
.
unwrap_err
();
()
.
contains
(
"
query failed
"
),
"
{
err
}
"
);
r
#"
{"result":{"content":[]}}
"#
;
body
)
.
unwrap
()
.
is_none
());
"
Title: Foo
\
n
URL: https://x.dev
\
n
Highlights:
\
n
first para
\
n
...
\
n
second para
\
n
...
\
n
"
;
n
first para
\
n
second para
"
"
wait for it... done
"
),
"
wait for it... done
"
);
web_search
(
&
json!
({
"
query
"
:
"
rust programming language
"
,
"
num_results
"
:
3
}))
.
unwrap
();
(
"
Rust
"
),
"
got:
{
out
}
"
);
web_fetch
(
&
json!
({
"
url
"
:
"
https://example.com/
"
}))
.
unwrap
();
(
"
Example Domain
"
),
"
got:
{
out
}
"
);
run_command
(
&
json!
({
"
command
"
:
"
echo hi
"
}))
.
unwrap
();
(
"
hi
"
));
(
"
[exit code: 0]
"
));
Instant
::
now
();
run_command_with_timeout
(
&
json!
({
"
command
"
:
"
sleep 10
"
}),
Duration
::
from_millis
(
400
))
()
.
contains
(
"
timed out
"
),
"
{
err
}
"
);
Duration
::
from_secs
(
5
),
&
str
,
content
:
&
str
)
->
std
::
path
::
PathBuf
{
std
::
env
::
temp_dir
();
dir
.
join
(
format!
(
"
coding-agent-test-
{}
-
{
name
}
"
,
std
::
process
::
id
()));
(
&
path
,
content
)
.
unwrap
();
temp_file
(
"
small.txt
"
,
"
a
\
n
b
\
n
c
\
n
"
);
read_file
(
&
json!
({
"
path
"
:
path
.
to_string_lossy
()}))
.
unwrap
();
"
1 │ a
\
n
2 │ b
\
n
3 │ c
\
n
"
);
std
::
fs
::
remove_file
(
&
path
);
=
(
1
..=
25
)
.
map
(
|
i
|
format!
(
"
line
{
i
}
\
n
"
))
.
collect
();
temp_file
(
"
range.txt
"
,
&
content
);
read_file
(
&
json!
({
"
path
"
:
path
.
to_string_lossy
(),
"
lines
"
:
"
5-10
"
}))
.
unwrap
();
(
"
---
"
));
(
"
lines 5-10 of 25
"
));
(
"
5 │ line 5
"
));
(
"
10 │ line 10
"
));
contains
(
"
line 11
"
));
std
::
fs
::
remove_file
(
&
path
);
=
(
1
..=
600
)
.
map
(
|
i
|
format!
(
"
line
{
i
}
\
n
"
))
.
collect
();
temp_file
(
"
big.txt
"
,
&
content
);
read_file
(
&
json!
({
"
path
"
:
path
.
to_string_lossy
()}))
.
unwrap
();
(
"
600 lines, showing first 400 and last 100
"
));
(
"
line 1
"
));
(
"
line 400
"
));
(
"
100 lines omitted
"
));
(
"
line 501
"
));
(
"
line 600
"
));
std
::
fs
::
remove_file
(
&
path
);