ati/core/
manifest.rs

1use chrono::{DateTime, Utc};
2use serde::{Deserialize, Serialize};
3use std::collections::HashMap;
4use std::path::Path;
5use thiserror::Error;
6
7/// Separator between provider name and tool name in compound tool identifiers.
8/// Example: `"finnhub:quote"`, `"github:search_repositories"`.
9pub const TOOL_SEP: char = ':';
10pub const TOOL_SEP_STR: &str = ":";
11
12#[derive(Error, Debug)]
13pub enum ManifestError {
14    #[error("Failed to read manifest file {0}: {1}")]
15    Io(String, std::io::Error),
16    #[error("Failed to parse manifest {0}: {1}")]
17    Parse(String, toml::de::Error),
18    #[error("No manifests directory found at {0}")]
19    NoDirectory(String),
20}
21
22#[derive(Debug, Clone, Deserialize)]
23#[serde(rename_all = "snake_case")]
24pub enum AuthType {
25    Bearer,
26    Header,
27    Query,
28    Basic,
29    None,
30    Oauth2,
31}
32
33impl Default for AuthType {
34    fn default() -> Self {
35        AuthType::None
36    }
37}
38
39#[derive(Debug, Clone, Deserialize)]
40pub struct Provider {
41    pub name: String,
42    pub description: String,
43    /// Base URL for HTTP providers. Optional for MCP providers.
44    #[serde(default)]
45    pub base_url: String,
46    #[serde(default)]
47    pub auth_type: AuthType,
48    #[serde(default)]
49    pub auth_key_name: Option<String>,
50    /// Custom header name for auth_type = "header" (default: "X-Api-Key").
51    /// Examples: "X-Finnhub-Token", "X-API-KEY", "Authorization"
52    #[serde(default)]
53    pub auth_header_name: Option<String>,
54    /// Custom query parameter name for auth_type = "query" (default: "api_key").
55    #[serde(default)]
56    pub auth_query_name: Option<String>,
57    /// Optional prefix for auth header value (e.g. "Token ", "Basic ").
58    /// Used with auth_type = "header". Value becomes: "{prefix}{key}".
59    #[serde(default)]
60    pub auth_value_prefix: Option<String>,
61    /// Additional headers to include on every request for this provider.
62    /// Examples: X-Goog-FieldMask, X-EBAY-C-MARKETPLACE-ID
63    #[serde(default)]
64    pub extra_headers: HashMap<String, String>,
65    /// Token URL for OAuth2 (relative to base_url or absolute)
66    #[serde(default)]
67    pub oauth2_token_url: Option<String>,
68    /// Second key name for OAuth2 client_secret
69    #[serde(default)]
70    pub auth_secret_name: Option<String>,
71    /// If true, send OAuth2 credentials via Basic Auth header instead of form body.
72    /// Some providers (e.g. Sovos) require this per RFC 6749 §2.3.1.
73    #[serde(default)]
74    pub oauth2_basic_auth: bool,
75    #[serde(default)]
76    pub internal: bool,
77    #[serde(default = "default_handler")]
78    pub handler: String,
79
80    // --- MCP provider fields (handler = "mcp") ---
81    /// MCP transport type: "stdio" or "http"
82    #[serde(default)]
83    pub mcp_transport: Option<String>,
84    /// Command to launch stdio MCP server (e.g., "npx", "uvx")
85    #[serde(default)]
86    pub mcp_command: Option<String>,
87    /// Arguments for stdio command (e.g., ["-y", "@modelcontextprotocol/server-github"])
88    #[serde(default)]
89    pub mcp_args: Vec<String>,
90    /// URL for HTTP/Streamable HTTP MCP server
91    #[serde(default)]
92    pub mcp_url: Option<String>,
93    /// Environment variables to pass to stdio subprocess
94    #[serde(default)]
95    pub mcp_env: HashMap<String, String>,
96
97    // --- CLI provider fields (handler = "cli") ---
98    /// Command to run for CLI providers (e.g., "gsutil", "gh", "kubectl")
99    #[serde(default)]
100    pub cli_command: Option<String>,
101    /// Default args prepended to every invocation
102    #[serde(default)]
103    pub cli_default_args: Vec<String>,
104    /// Environment variables for CLI. ${key} = string from keyring, @{key} = credential file
105    #[serde(default)]
106    pub cli_env: HashMap<String, String>,
107    /// Default timeout in seconds (default: 120)
108    #[serde(default)]
109    pub cli_timeout_secs: Option<u64>,
110
111    // --- OpenAPI provider fields (handler = "openapi") ---
112    /// Path (relative to ~/.ati/specs/) or URL to OpenAPI spec (JSON or YAML)
113    #[serde(default)]
114    pub openapi_spec: Option<String>,
115    /// Only include operations with these tags
116    #[serde(default)]
117    pub openapi_include_tags: Vec<String>,
118    /// Exclude operations with these tags
119    #[serde(default)]
120    pub openapi_exclude_tags: Vec<String>,
121    /// Only include operations with these operationIds
122    #[serde(default)]
123    pub openapi_include_operations: Vec<String>,
124    /// Exclude operations with these operationIds
125    #[serde(default)]
126    pub openapi_exclude_operations: Vec<String>,
127    /// Maximum number of operations to register (for huge APIs)
128    #[serde(default)]
129    pub openapi_max_operations: Option<usize>,
130    /// Per-operationId overrides (hint, tags, description, response_extract, etc.)
131    #[serde(default)]
132    pub openapi_overrides: HashMap<String, OpenApiToolOverride>,
133
134    // --- Auth generator (dynamic credential generation) ---
135    /// Optional auth generator for producing short-lived credentials at call time.
136    /// Runs where secrets live (proxy server in proxy mode, local machine in local mode).
137    #[serde(default)]
138    pub auth_generator: Option<AuthGenerator>,
139
140    // --- Optional metadata fields ---
141    /// Provider category for discovery (e.g., "finance", "search", "social")
142    #[serde(default)]
143    pub category: Option<String>,
144
145    /// Associated skill URLs (git repos) that teach agents how to use this provider's tools.
146    /// Each entry is a git URL, optionally with a #fragment for subdirectory.
147    #[serde(default)]
148    pub skills: Vec<String>,
149}
150
151fn default_handler() -> String {
152    "http".to_string()
153}
154
155/// Per-operationId overrides for OpenAPI-discovered tools.
156#[derive(Debug, Clone, Deserialize, Default)]
157pub struct OpenApiToolOverride {
158    pub hint: Option<String>,
159    #[serde(default)]
160    pub tags: Vec<String>,
161    #[serde(default)]
162    pub examples: Vec<String>,
163    pub description: Option<String>,
164    pub scope: Option<String>,
165    pub response_extract: Option<String>,
166    pub response_format: Option<String>,
167}
168
169/// Dynamic auth generator configuration — produces short-lived credentials at call time.
170///
171/// Two types:
172/// - `command`: runs an external command, captures stdout as the credential
173/// - `script`: writes an inline script to a temp file and runs it via an interpreter
174///
175/// Variable expansion in `args` and `env` values:
176/// - `${key_name}` → keyring lookup
177/// - `${JWT_SUB}` → agent's JWT `sub` claim
178/// - `${JWT_SCOPE}` → agent's JWT `scope` claim
179/// - `${TOOL_NAME}` → tool being invoked
180/// - `${TIMESTAMP}` → current unix timestamp
181#[derive(Debug, Clone, Deserialize)]
182pub struct AuthGenerator {
183    #[serde(rename = "type")]
184    pub gen_type: AuthGenType,
185    /// Command to run (for `type = "command"`)
186    pub command: Option<String>,
187    /// Arguments for the command
188    #[serde(default)]
189    pub args: Vec<String>,
190    /// Interpreter for inline script (for `type = "script"`, e.g. "python3")
191    pub interpreter: Option<String>,
192    /// Inline script body (for `type = "script"`)
193    pub script: Option<String>,
194    /// TTL for cached credentials (0 = no cache)
195    #[serde(default)]
196    pub cache_ttl_secs: u64,
197    /// Output format: "text" (trimmed stdout) or "json" (parsed, fields extracted via `inject`)
198    #[serde(default)]
199    pub output_format: AuthOutputFormat,
200    /// Environment variables for the subprocess (values support `${key}` expansion)
201    #[serde(default)]
202    pub env: HashMap<String, String>,
203    /// For JSON output: map dot-notation JSON paths to injection targets
204    #[serde(default)]
205    pub inject: HashMap<String, InjectTarget>,
206    /// Subprocess timeout in seconds (default: 30)
207    #[serde(default = "default_gen_timeout")]
208    pub timeout_secs: u64,
209}
210
211fn default_gen_timeout() -> u64 {
212    30
213}
214
215#[derive(Debug, Clone, Deserialize)]
216#[serde(rename_all = "snake_case")]
217pub enum AuthGenType {
218    Command,
219    Script,
220}
221
222#[derive(Debug, Clone, Deserialize, Default)]
223#[serde(rename_all = "snake_case")]
224pub enum AuthOutputFormat {
225    #[default]
226    Text,
227    Json,
228}
229
230/// Target for injecting a JSON-extracted credential value.
231#[derive(Debug, Clone, Deserialize)]
232pub struct InjectTarget {
233    /// Where to inject: "header", "env", or "query"
234    #[serde(rename = "type")]
235    pub inject_type: String,
236    /// Name of the header/env var/query param
237    pub name: String,
238}
239
240#[derive(Debug, Clone, Deserialize)]
241#[serde(rename_all = "UPPERCASE")]
242pub enum HttpMethod {
243    #[serde(alias = "get", alias = "Get")]
244    Get,
245    #[serde(alias = "post", alias = "Post")]
246    Post,
247    #[serde(alias = "put", alias = "Put")]
248    Put,
249    #[serde(alias = "delete", alias = "Delete")]
250    Delete,
251}
252
253impl Default for HttpMethod {
254    fn default() -> Self {
255        HttpMethod::Get
256    }
257}
258
259impl std::fmt::Display for HttpMethod {
260    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
261        match self {
262            HttpMethod::Get => write!(f, "GET"),
263            HttpMethod::Post => write!(f, "POST"),
264            HttpMethod::Put => write!(f, "PUT"),
265            HttpMethod::Delete => write!(f, "DELETE"),
266        }
267    }
268}
269
270#[derive(Debug, Clone, Deserialize, Default)]
271#[serde(rename_all = "snake_case")]
272pub enum ResponseFormat {
273    MarkdownTable,
274    Json,
275    #[default]
276    Text,
277    Raw,
278}
279
280#[derive(Debug, Clone, Deserialize, Default)]
281pub struct ResponseConfig {
282    /// JSONPath expression to extract useful content from the API response
283    #[serde(default)]
284    pub extract: Option<String>,
285    /// Output format for the extracted data
286    #[serde(default)]
287    pub format: ResponseFormat,
288}
289
290#[derive(Debug, Clone, Deserialize)]
291pub struct Tool {
292    pub name: String,
293    pub description: String,
294    #[serde(default)]
295    pub endpoint: String,
296    #[serde(default)]
297    pub method: HttpMethod,
298    /// Scope required to use this tool (e.g. "tool:web_search")
299    #[serde(default)]
300    pub scope: Option<String>,
301    /// JSON Schema for tool input
302    #[serde(default)]
303    pub input_schema: Option<serde_json::Value>,
304    /// Response extraction config
305    #[serde(default)]
306    pub response: Option<ResponseConfig>,
307
308    // --- Optional metadata fields ---
309    /// Tags for discovery (e.g., ["search", "real-time"])
310    #[serde(default)]
311    pub tags: Vec<String>,
312    /// Short hint for the LLM on when to use this tool
313    #[serde(default)]
314    pub hint: Option<String>,
315    /// Example invocations
316    #[serde(default)]
317    pub examples: Vec<String>,
318}
319
320/// A parsed manifest file: one provider + multiple tools.
321/// For MCP providers, tools may be empty — they're discovered dynamically via tools/list.
322#[derive(Debug, Clone, Deserialize)]
323pub struct Manifest {
324    pub provider: Provider,
325    #[serde(default, rename = "tools")]
326    pub tools: Vec<Tool>,
327}
328
329/// A cached (ephemeral) provider, persisted as JSON in `$ATI_DIR/cache/providers/<name>.json`.
330/// Used by `ati provider load` to make providers available across process invocations
331/// without writing permanent TOML manifests.
332#[derive(Debug, Clone, Serialize, Deserialize)]
333pub struct CachedProvider {
334    pub name: String,
335    /// "openapi" or "mcp"
336    pub provider_type: String,
337    #[serde(default)]
338    pub base_url: String,
339    #[serde(default)]
340    pub auth_type: String,
341    #[serde(default)]
342    pub auth_key_name: Option<String>,
343    #[serde(default)]
344    pub auth_header_name: Option<String>,
345    #[serde(default)]
346    pub auth_query_name: Option<String>,
347    // OpenAPI fields
348    #[serde(default)]
349    pub spec_content: Option<String>,
350    // MCP fields
351    #[serde(default)]
352    pub mcp_transport: Option<String>,
353    #[serde(default)]
354    pub mcp_url: Option<String>,
355    #[serde(default)]
356    pub mcp_command: Option<String>,
357    #[serde(default)]
358    pub mcp_args: Vec<String>,
359    #[serde(default)]
360    pub mcp_env: HashMap<String, String>,
361    // CLI fields
362    #[serde(default)]
363    pub cli_command: Option<String>,
364    #[serde(default)]
365    pub cli_default_args: Vec<String>,
366    #[serde(default)]
367    pub cli_env: HashMap<String, String>,
368    #[serde(default)]
369    pub cli_timeout_secs: Option<u64>,
370    // MCP/HTTP auth
371    #[serde(default)]
372    pub auth: Option<String>,
373    // Cache metadata
374    pub created_at: String,
375    pub ttl_seconds: u64,
376}
377
378impl CachedProvider {
379    /// Returns true if this cached provider has expired.
380    pub fn is_expired(&self) -> bool {
381        let created = match DateTime::parse_from_rfc3339(&self.created_at) {
382            Ok(dt) => dt.with_timezone(&Utc),
383            Err(_) => return true, // Can't parse → treat as expired
384        };
385        let now = Utc::now();
386        let elapsed = now.signed_duration_since(created);
387        elapsed.num_seconds() as u64 > self.ttl_seconds
388    }
389
390    /// Returns the expiry time as an ISO timestamp.
391    pub fn expires_at(&self) -> Option<String> {
392        let created = DateTime::parse_from_rfc3339(&self.created_at).ok()?;
393        let expires = created + chrono::Duration::seconds(self.ttl_seconds as i64);
394        Some(expires.to_rfc3339())
395    }
396
397    /// Returns remaining TTL in seconds (0 if expired).
398    pub fn remaining_seconds(&self) -> u64 {
399        let created = match DateTime::parse_from_rfc3339(&self.created_at) {
400            Ok(dt) => dt.with_timezone(&Utc),
401            Err(_) => return 0,
402        };
403        let now = Utc::now();
404        let elapsed = now.signed_duration_since(created).num_seconds() as u64;
405        self.ttl_seconds.saturating_sub(elapsed)
406    }
407
408    /// Build a Provider struct from this cached entry.
409    pub fn to_provider(&self) -> Provider {
410        let auth_type = match self.auth_type.as_str() {
411            "bearer" => AuthType::Bearer,
412            "header" => AuthType::Header,
413            "query" => AuthType::Query,
414            "basic" => AuthType::Basic,
415            "oauth2" => AuthType::Oauth2,
416            _ => AuthType::None,
417        };
418
419        let handler = match self.provider_type.as_str() {
420            "mcp" => "mcp".to_string(),
421            "openapi" => "openapi".to_string(),
422            _ => "http".to_string(),
423        };
424
425        Provider {
426            name: self.name.clone(),
427            description: format!("{} (cached)", self.name),
428            base_url: self.base_url.clone(),
429            auth_type,
430            auth_key_name: self.auth_key_name.clone(),
431            auth_header_name: self.auth_header_name.clone(),
432            auth_query_name: self.auth_query_name.clone(),
433            auth_value_prefix: None,
434            extra_headers: HashMap::new(),
435            oauth2_token_url: None,
436            auth_secret_name: None,
437            oauth2_basic_auth: false,
438            internal: false,
439            handler,
440            mcp_transport: self.mcp_transport.clone(),
441            mcp_command: self.mcp_command.clone(),
442            mcp_args: self.mcp_args.clone(),
443            mcp_url: self.mcp_url.clone(),
444            mcp_env: self.mcp_env.clone(),
445            openapi_spec: None,
446            openapi_include_tags: Vec::new(),
447            openapi_exclude_tags: Vec::new(),
448            openapi_include_operations: Vec::new(),
449            openapi_exclude_operations: Vec::new(),
450            openapi_max_operations: None,
451            openapi_overrides: HashMap::new(),
452            cli_command: self.cli_command.clone(),
453            cli_default_args: self.cli_default_args.clone(),
454            cli_env: self.cli_env.clone(),
455            cli_timeout_secs: self.cli_timeout_secs,
456            auth_generator: None,
457            category: None,
458            skills: Vec::new(),
459        }
460    }
461}
462
463/// A tool discovered from an MCP server via tools/list.
464/// Converted into a Tool for the registry.
465#[derive(Debug, Clone, Serialize, Deserialize)]
466pub struct McpToolDef {
467    pub name: String,
468    #[serde(default)]
469    pub description: Option<String>,
470    #[serde(default, rename = "inputSchema")]
471    pub input_schema: Option<serde_json::Value>,
472}
473
474/// Registry holding all loaded manifests, with indexes for fast lookup.
475pub struct ManifestRegistry {
476    manifests: Vec<Manifest>,
477    /// tool_name -> (manifest_index, tool_index)
478    tool_index: HashMap<String, (usize, usize)>,
479}
480
481impl ManifestRegistry {
482    /// Load all .toml manifests from a directory.
483    /// OpenAPI providers (handler = "openapi") have their specs loaded and tools auto-registered.
484    pub fn load(dir: &Path) -> Result<Self, ManifestError> {
485        if !dir.is_dir() {
486            return Err(ManifestError::NoDirectory(dir.display().to_string()));
487        }
488
489        let mut manifests = Vec::new();
490        let mut tool_index = HashMap::new();
491
492        let pattern = dir.join("*.toml");
493        let entries = glob::glob(pattern.to_str().unwrap_or(""))
494            .map_err(|e| ManifestError::NoDirectory(e.to_string()))?;
495
496        // Resolve specs dir: sibling of manifests dir (e.g., ~/.ati/specs/)
497        let specs_dir = dir.parent().map(|p| p.join("specs"));
498
499        for entry in entries {
500            let path = entry.map_err(|e| {
501                ManifestError::Io(format!("{e}"), std::io::Error::other("glob error"))
502            })?;
503            let contents = std::fs::read_to_string(&path)
504                .map_err(|e| ManifestError::Io(path.display().to_string(), e))?;
505            let mut manifest: Manifest = toml::from_str(&contents)
506                .map_err(|e| ManifestError::Parse(path.display().to_string(), e))?;
507
508            // For OpenAPI providers, load spec and register tools
509            if manifest.provider.is_openapi() {
510                if let Some(spec_ref) = &manifest.provider.openapi_spec {
511                    match crate::core::openapi::load_and_register(
512                        &manifest.provider,
513                        spec_ref,
514                        specs_dir.as_deref(),
515                    ) {
516                        Ok(tools) => {
517                            manifest.tools = tools;
518                        }
519                        Err(e) => {
520                            eprintln!(
521                                "Warning: failed to load OpenAPI spec for provider '{}': {e}",
522                                manifest.provider.name
523                            );
524                            // Graceful degradation — continue without tools
525                        }
526                    }
527                }
528            }
529
530            // For CLI providers with no [[tools]], auto-register one implicit tool
531            if manifest.provider.is_cli() && manifest.tools.is_empty() {
532                manifest.tools.push(Tool {
533                    name: manifest.provider.name.clone(),
534                    description: manifest.provider.description.clone(),
535                    endpoint: String::new(),
536                    method: HttpMethod::Get,
537                    scope: None,
538                    input_schema: None,
539                    response: None,
540                    tags: Vec::new(),
541                    hint: None,
542                    examples: Vec::new(),
543                });
544            }
545
546            let mi = manifests.len();
547            for (ti, tool) in manifest.tools.iter().enumerate() {
548                tool_index.insert(tool.name.clone(), (mi, ti));
549            }
550            manifests.push(manifest);
551        }
552
553        // Load cached providers from cache/providers/*.json
554        // Cache dir is sibling of manifests dir: e.g., ~/.ati/cache/providers/
555        if let Some(parent) = dir.parent() {
556            let cache_dir = parent.join("cache").join("providers");
557            if cache_dir.is_dir() {
558                let cache_pattern = cache_dir.join("*.json");
559                if let Ok(cache_entries) = glob::glob(cache_pattern.to_str().unwrap_or("")) {
560                    for entry in cache_entries {
561                        let path = match entry {
562                            Ok(p) => p,
563                            Err(_) => continue,
564                        };
565                        let content = match std::fs::read_to_string(&path) {
566                            Ok(c) => c,
567                            Err(_) => continue,
568                        };
569                        let cached: CachedProvider = match serde_json::from_str(&content) {
570                            Ok(c) => c,
571                            Err(_) => continue,
572                        };
573
574                        // Skip and delete expired entries
575                        if cached.is_expired() {
576                            let _ = std::fs::remove_file(&path);
577                            continue;
578                        }
579
580                        // Skip if a permanent manifest with same provider name already exists
581                        if manifests.iter().any(|m| m.provider.name == cached.name) {
582                            continue;
583                        }
584
585                        let provider = cached.to_provider();
586
587                        let mut cached_tools = Vec::new();
588                        if cached.provider_type == "openapi" {
589                            if let Some(spec_content) = &cached.spec_content {
590                                if let Ok(spec) = crate::core::openapi::parse_spec(spec_content) {
591                                    let filters = crate::core::openapi::OpenApiFilters {
592                                        include_tags: vec![],
593                                        exclude_tags: vec![],
594                                        include_operations: vec![],
595                                        exclude_operations: vec![],
596                                        max_operations: None,
597                                    };
598                                    let defs = crate::core::openapi::extract_tools(&spec, &filters);
599                                    cached_tools = defs
600                                        .into_iter()
601                                        .map(|def| {
602                                            crate::core::openapi::to_ati_tool(
603                                                def,
604                                                &cached.name,
605                                                &HashMap::new(),
606                                            )
607                                        })
608                                        .collect();
609                                }
610                            }
611                        }
612                        // MCP providers have empty tools — lazy discovery at run time
613
614                        let mi = manifests.len();
615                        for (ti, tool) in cached_tools.iter().enumerate() {
616                            tool_index.insert(tool.name.clone(), (mi, ti));
617                        }
618                        manifests.push(Manifest {
619                            provider,
620                            tools: cached_tools,
621                        });
622                    }
623                }
624            }
625        }
626
627        Ok(ManifestRegistry {
628            manifests,
629            tool_index,
630        })
631    }
632
633    /// Create an empty registry (no manifests loaded).
634    pub fn empty() -> Self {
635        ManifestRegistry {
636            manifests: Vec::new(),
637            tool_index: HashMap::new(),
638        }
639    }
640
641    /// Look up a tool by name. Returns the provider and tool definition.
642    pub fn get_tool(&self, name: &str) -> Option<(&Provider, &Tool)> {
643        self.tool_index.get(name).map(|(mi, ti)| {
644            let m = &self.manifests[*mi];
645            (&m.provider, &m.tools[*ti])
646        })
647    }
648
649    /// List all tools across all providers.
650    pub fn list_tools(&self) -> Vec<(&Provider, &Tool)> {
651        self.manifests
652            .iter()
653            .flat_map(|m| m.tools.iter().map(move |t| (&m.provider, t)))
654            .collect()
655    }
656
657    /// List all providers.
658    pub fn list_providers(&self) -> Vec<&Provider> {
659        self.manifests.iter().map(|m| &m.provider).collect()
660    }
661
662    /// List all non-internal tools (excludes providers marked internal=true).
663    pub fn list_public_tools(&self) -> Vec<(&Provider, &Tool)> {
664        self.manifests
665            .iter()
666            .filter(|m| !m.provider.internal)
667            .flat_map(|m| m.tools.iter().map(move |t| (&m.provider, t)))
668            .collect()
669    }
670
671    /// Get the number of loaded tools.
672    pub fn tool_count(&self) -> usize {
673        self.tool_index.len()
674    }
675
676    /// Get the number of loaded providers.
677    pub fn provider_count(&self) -> usize {
678        self.manifests.len()
679    }
680
681    /// List all MCP providers (handler = "mcp").
682    pub fn list_mcp_providers(&self) -> Vec<&Provider> {
683        self.manifests
684            .iter()
685            .filter(|m| m.provider.handler == "mcp")
686            .map(|m| &m.provider)
687            .collect()
688    }
689
690    /// If `tool_name` has a `<provider>:<name>` prefix matching an MCP provider, return it.
691    pub fn find_mcp_provider_for_tool(&self, tool_name: &str) -> Option<&Provider> {
692        let prefix = tool_name.split(TOOL_SEP).next()?;
693        self.manifests
694            .iter()
695            .find(|m| m.provider.handler == "mcp" && m.provider.name == prefix)
696            .map(|m| &m.provider)
697    }
698
699    /// List all OpenAPI providers (handler = "openapi").
700    pub fn list_openapi_providers(&self) -> Vec<&Provider> {
701        self.manifests
702            .iter()
703            .filter(|m| m.provider.handler == "openapi")
704            .map(|m| &m.provider)
705            .collect()
706    }
707
708    /// Check if a provider with the given name exists.
709    pub fn has_provider(&self, name: &str) -> bool {
710        self.manifests.iter().any(|m| m.provider.name == name)
711    }
712
713    /// Get tools belonging to a specific provider.
714    pub fn tools_by_provider(&self, provider_name: &str) -> Vec<(&Provider, &Tool)> {
715        self.manifests
716            .iter()
717            .filter(|m| m.provider.name == provider_name)
718            .flat_map(|m| m.tools.iter().map(move |t| (&m.provider, t)))
719            .collect()
720    }
721
722    /// List all CLI providers (handler = "cli").
723    pub fn list_cli_providers(&self) -> Vec<&Provider> {
724        self.manifests
725            .iter()
726            .filter(|m| m.provider.handler == "cli")
727            .map(|m| &m.provider)
728            .collect()
729    }
730
731    /// Register dynamically discovered MCP tools for a provider.
732    /// Tools are prefixed with provider name: `"github:read_file"`.
733    pub fn register_mcp_tools(&mut self, provider_name: &str, mcp_tools: Vec<McpToolDef>) {
734        // Find the manifest for this provider
735        let mi = match self
736            .manifests
737            .iter()
738            .position(|m| m.provider.name == provider_name)
739        {
740            Some(idx) => idx,
741            None => return,
742        };
743
744        for mcp_tool in mcp_tools {
745            let prefixed_name = format!("{}{}{}", provider_name, TOOL_SEP_STR, mcp_tool.name);
746
747            let tool = Tool {
748                name: prefixed_name.clone(),
749                description: mcp_tool.description.unwrap_or_default(),
750                endpoint: String::new(),
751                method: HttpMethod::Post,
752                scope: Some(format!("tool:{prefixed_name}")),
753                input_schema: mcp_tool.input_schema,
754                response: None,
755                tags: Vec::new(),
756                hint: None,
757                examples: Vec::new(),
758            };
759
760            let ti = self.manifests[mi].tools.len();
761            self.manifests[mi].tools.push(tool);
762            self.tool_index.insert(prefixed_name, (mi, ti));
763        }
764    }
765}
766
767impl Provider {
768    /// Returns true if this provider uses MCP protocol.
769    pub fn is_mcp(&self) -> bool {
770        self.handler == "mcp"
771    }
772
773    /// Returns true if this provider uses OpenAPI spec-based tool discovery.
774    pub fn is_openapi(&self) -> bool {
775        self.handler == "openapi"
776    }
777
778    /// Returns true if this provider uses CLI handler.
779    pub fn is_cli(&self) -> bool {
780        self.handler == "cli"
781    }
782
783    /// Returns the MCP transport type, defaulting to "stdio".
784    pub fn mcp_transport_type(&self) -> &str {
785        self.mcp_transport.as_deref().unwrap_or("stdio")
786    }
787}
ati/core/manifest.rs

ati/core/
manifest.rs
