{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tool": {
    "category": "",
    "endpoint": "https://init.specpilot.dev/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/specpilot.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/specpilot.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/specpilot.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 3629,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 6
        },
        "findings": [
          {
            "rule": "TC11",
            "severity": "warn",
            "tool": "specpilot_generate_specs",
            "message": "its one parameter, answers, has no description",
            "fix": "Describe each one: format, units, an example, and what happens when it's left out."
          },
          {
            "rule": "TC11",
            "severity": "warn",
            "tool": "specpilot_next_questions",
            "message": "its one parameter, answers, has no description",
            "fix": "Describe each one: format, units, an example, and what happens when it's left out."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "specpilot_generate_specs",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "specpilot_next_questions",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
          },
          {
            "rule": "TC22",
            "severity": "warn",
            "tool": "specpilot_generate_specs",
            "message": "the definition is about 1,654 tokens",
            "fix": "Trim the description and parameter docs, or split the tool."
          },
          {
            "rule": "TC22",
            "severity": "warn",
            "tool": "specpilot_next_questions",
            "message": "the definition is about 1,956 tokens",
            "fix": "Trim the description and parameter docs, or split the tool."
          },
          {
            "rule": "TC24",
            "severity": "note",
            "message": "2 of 2 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:24:59Z",
      "count": 2,
      "schemaTokens": 3629,
      "status": "ok",
      "tools": [
        {
          "name": "specpilot_next_questions",
          "title": "SpecPilot: next onboarding questions",
          "description": "Returns the still-unanswered SpecPilot onboarding questions of the next incomplete step, gated by the answers supplied so far - questions that do not apply to this kind of project are omitted, and options are filtered, badged or flagged the same way the SpecPilot web chat would. Stateless: send every answer collected so far on each call.\n\nProcedure: (1) Decide whether the repository already has real source code and set `isNewBuild` accordingly - it changes which onboarding analysis is generated at the end. (2) Infer what the repo already answers rather than asking: `platforms` from the dependency manifests and layout, `languageOverride`, `ideAgent` (you are the IDE - claudecode, cursor, copilot, codex, windsurf), `handle` from git config or the origin remote, `projectName` from the package manifest or folder name, and `projectDescription` from the README only if it plainly says what the project is. (3) Call this tool with what you have; answer what the repo makes obvious and ask the developer the rest, a whole step per message. Send an empty value for an optional question the developer declines, or it will be asked again; send `todoSentinel` verbatim when they do not know yet. For `projectDescription`, sending one of the returned chip labels exactly is what infers `projectCategory` and gates every later question - free prose infers nothing. Confirm any pre-seeded value rather than accepting it silently. (4) Loop until `done` is true, then call specpilot_generate_specs and follow its `nextSteps` for where each file goes.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "properties": {
              "answers": {
                "properties": {
                  "accessControl": {
                    "description": "The access control model. Drives the security spec auth/authorization section and the permission model.",
                    "type": "string"
                  },
                  "accessibilityNotes": {
                    "description": "Anything further on accessibility or constraints, in free text.",
                    "type": "string"
                  },
                  "activeUsers": {
                    "description": "Roughly how many active users are expected, as a range.",
                    "type": "string"
                  },
                  "apiResponseTime": {
                    "description": "Target API response time.",
                    "type": "string"
                  },
                  "apiStyle": {
                    "description": "API style - REST, GraphQL, gRPC or tRPC. Shapes how the architecture spec documents client-server communication.",
                    "type": "string"
                  },
                  "authStrategy": {
                    "description": "Auth approach - a protocol built in-house (JWT/OAuth/SAML) or a managed service (Clerk, Auth0, Firebase). Feeds the security spec.",
                    "type": "string"
                  },
                  "availability": {
                    "description": "Availability SLA target as a fraction of uptime; higher percentages allow far less downtime per year.",
                    "type": "string"
                  },
                  "buildTimeline": {
                    "description": "How long the build is expected to take.",
                    "type": "string"
                  },
                  "cicd": {
                    "description": "CI/CD practices - automatically running tests and deploying on every change.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "compliance": {
                    "description": "Compliance regimes that apply - GDPR, HIPAA, SOC 2. Pick by the actual situation (EU users, health data, payments), since getting it wrong has legal consequences.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "constraintDescription": {
                    "description": "More detail on whatever was named in technicalConstraints.",
                    "type": "string"
                  },
                  "customUserType": {
                    "description": "A user type in free text, when none of the userTypes options fit.",
                    "type": "string"
                  },
                  "dataSyncStrategy": {
                    "description": "How conflicting local and server state gets reconciled once the device is back online.",
                    "type": "string"
                  },
                  "databases": {
                    "description": "Database kinds in use - SQL, NoSQL, cache/key-value, vector. As many as apply.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "deploymentTargets": {
                    "description": "Where this ships - cloud hosting, a package registry, a browser store. The option list depends on the project type.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "handle": {
                    "description": "The developer GitHub handle. Optional; it namespaces generated task IDs (e.g. CD-jsmith-001). Infer from git config or the origin remote.",
                    "type": "string"
                  },
                  "ideAgent": {
                    "description": "The editor or AI IDE in use - claudecode, cursor, copilot, codex, windsurf. You are the IDE, so set this yourself; it decides which rules and config files are generated.",
                    "type": "string"
                  },
                  "integrations": {
                    "additionalProperties": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "description": "Third-party integrations keyed by category, e.g. { payments: [\"stripe\"] }. Only categories relevant to the project type apply.",
                    "propertyNames": {
                      "type": "string"
                    },
                    "type": "object"
                  },
                  "isNewBuild": {
                    "description": "True for a greenfield project, false when adding onto an existing codebase. Decides which onboarding analysis is generated at the end.",
                    "type": "boolean"
                  },
                  "languageOverride": {
                    "description": "Primary language, when it should override what SpecPilot infers from the repo.",
                    "type": "string"
                  },
                  "localDatabases": {
                    "description": "On-device stores backing offline support. Leave empty when offline is not needed.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "nonGoals": {
                    "description": "What this project explicitly will NOT do. Becomes the non-goals section of the specs.",
                    "type": "string"
                  },
                  "offlineSupport": {
                    "description": "Whether this has to work offline. Set automatically when localDatabases is non-empty.",
                    "type": "boolean"
                  },
                  "otherApis": {
                    "description": "External APIs or services not covered by integrations.",
                    "type": "string"
                  },
                  "platforms": {
                    "description": "Platforms this should run on, e.g. web, ios, android, desktop. Infer from the dependency manifests and repo layout.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "projectCategory": {
                    "anyOf": [
                      {
                        "enum": [
                          "saas",
                          "api",
                          "mobile",
                          "cli",
                          "pipeline",
                          "ml",
                          "static",
                          "docs",
                          "extension",
                          "library",
                          "other"
                        ],
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "description": "Project archetype. Normally inferred from projectDescription when it exactly matches a returned chip label - send it only if you already know it."
                  },
                  "projectDescription": {
                    "description": "One line saying what the project is. Required by specpilot_generate_specs. Sending one of the chip labels returned by specpilot_next_questions verbatim is what infers projectCategory and gates every later question; free prose infers nothing.",
                    "type": "string"
                  },
                  "projectName": {
                    "description": "Short name for the project. Required by specpilot_generate_specs. Infer from the package manifest or the folder name.",
                    "type": "string"
                  },
                  "realtimeEnabled": {
                    "description": "Whether anything updates live without a refresh. Set automatically when realtimeTypes is non-empty.",
                    "type": "boolean"
                  },
                  "realtimeTypes": {
                    "description": "Realtime transports - WebSockets, SSE, polling. Leave empty when nothing needs to update live.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "scaleTier": {
                    "description": "Expected scale of the system. Drives infrastructure and architecture choices.",
                    "type": "string"
                  },
                  "securityConcerns": {
                    "description": "Security measures to plan for - encryption, rate limiting, audit logging.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "specialConsiderations": {
                    "description": "Cross-cutting concerns that apply, such as accessibility, internationalisation or offline support.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "systemPattern": {
                    "description": "Architecture pattern - monolith, modular monolith, or microservices.",
                    "type": "string"
                  },
                  "teamSize": {
                    "description": "How many people are building this.",
                    "type": "string"
                  },
                  "technicalConstraints": {
                    "description": "Hard constraints - budget, existing infrastructure, legacy systems, a fixed deadline.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "testingStrategy": {
                    "description": "Testing approaches this project will use.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "userTypes": {
                    "description": "Who is going to use this system, e.g. end users, admins, internal staff.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "type": "object"
              }
            },
            "type": "object"
          }
        },
        {
          "name": "specpilot_generate_specs",
          "title": "SpecPilot: generate the .specs/ files",
          "description": "Generates the complete SpecPilot .specs/ file set plus the matching IDE rules and slash-command files from a full answer set - identical to what the SpecPilot web chat produces for the same answers. Requires projectName and projectDescription. Returns the files to write and the steps to follow after writing them.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "properties": {
              "answers": {
                "properties": {
                  "accessControl": {
                    "description": "The access control model. Drives the security spec auth/authorization section and the permission model.",
                    "type": "string"
                  },
                  "accessibilityNotes": {
                    "description": "Anything further on accessibility or constraints, in free text.",
                    "type": "string"
                  },
                  "activeUsers": {
                    "description": "Roughly how many active users are expected, as a range.",
                    "type": "string"
                  },
                  "apiResponseTime": {
                    "description": "Target API response time.",
                    "type": "string"
                  },
                  "apiStyle": {
                    "description": "API style - REST, GraphQL, gRPC or tRPC. Shapes how the architecture spec documents client-server communication.",
                    "type": "string"
                  },
                  "authStrategy": {
                    "description": "Auth approach - a protocol built in-house (JWT/OAuth/SAML) or a managed service (Clerk, Auth0, Firebase). Feeds the security spec.",
                    "type": "string"
                  },
                  "availability": {
                    "description": "Availability SLA target as a fraction of uptime; higher percentages allow far less downtime per year.",
                    "type": "string"
                  },
                  "buildTimeline": {
                    "description": "How long the build is expected to take.",
                    "type": "string"
                  },
                  "cicd": {
                    "description": "CI/CD practices - automatically running tests and deploying on every change.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "compliance": {
                    "description": "Compliance regimes that apply - GDPR, HIPAA, SOC 2. Pick by the actual situation (EU users, health data, payments), since getting it wrong has legal consequences.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "constraintDescription": {
                    "description": "More detail on whatever was named in technicalConstraints.",
                    "type": "string"
                  },
                  "customUserType": {
                    "description": "A user type in free text, when none of the userTypes options fit.",
                    "type": "string"
                  },
                  "dataSyncStrategy": {
                    "description": "How conflicting local and server state gets reconciled once the device is back online.",
                    "type": "string"
                  },
                  "databases": {
                    "description": "Database kinds in use - SQL, NoSQL, cache/key-value, vector. As many as apply.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "deploymentTargets": {
                    "description": "Where this ships - cloud hosting, a package registry, a browser store. The option list depends on the project type.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "handle": {
                    "description": "The developer GitHub handle. Optional; it namespaces generated task IDs (e.g. CD-jsmith-001). Infer from git config or the origin remote.",
                    "type": "string"
                  },
                  "ideAgent": {
                    "description": "The editor or AI IDE in use - claudecode, cursor, copilot, codex, windsurf. You are the IDE, so set this yourself; it decides which rules and config files are generated.",
                    "type": "string"
                  },
                  "integrations": {
                    "additionalProperties": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "description": "Third-party integrations keyed by category, e.g. { payments: [\"stripe\"] }. Only categories relevant to the project type apply.",
                    "propertyNames": {
                      "type": "string"
                    },
                    "type": "object"
                  },
                  "isNewBuild": {
                    "description": "True for a greenfield project, false when adding onto an existing codebase. Decides which onboarding analysis is generated at the end.",
                    "type": "boolean"
                  },
                  "languageOverride": {
                    "description": "Primary language, when it should override what SpecPilot infers from the repo.",
                    "type": "string"
                  },
                  "localDatabases": {
                    "description": "On-device stores backing offline support. Leave empty when offline is not needed.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "nonGoals": {
                    "description": "What this project explicitly will NOT do. Becomes the non-goals section of the specs.",
                    "type": "string"
                  },
                  "offlineSupport": {
                    "description": "Whether this has to work offline. Set automatically when localDatabases is non-empty.",
                    "type": "boolean"
                  },
                  "otherApis": {
                    "description": "External APIs or services not covered by integrations.",
                    "type": "string"
                  },
                  "platforms": {
                    "description": "Platforms this should run on, e.g. web, ios, android, desktop. Infer from the dependency manifests and repo layout.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "projectCategory": {
                    "anyOf": [
                      {
                        "enum": [
                          "saas",
                          "api",
                          "mobile",
                          "cli",
                          "pipeline",
                          "ml",
                          "static",
                          "docs",
                          "extension",
                          "library",
                          "other"
                        ],
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "description": "Project archetype. Normally inferred from projectDescription when it exactly matches a returned chip label - send it only if you already know it."
                  },
                  "projectDescription": {
                    "description": "One line saying what the project is. Required by specpilot_generate_specs. Sending one of the chip labels returned by specpilot_next_questions verbatim is what infers projectCategory and gates every later question; free prose infers nothing.",
                    "type": "string"
                  },
                  "projectName": {
                    "description": "Short name for the project. Required by specpilot_generate_specs. Infer from the package manifest or the folder name.",
                    "type": "string"
                  },
                  "realtimeEnabled": {
                    "description": "Whether anything updates live without a refresh. Set automatically when realtimeTypes is non-empty.",
                    "type": "boolean"
                  },
                  "realtimeTypes": {
                    "description": "Realtime transports - WebSockets, SSE, polling. Leave empty when nothing needs to update live.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "scaleTier": {
                    "description": "Expected scale of the system. Drives infrastructure and architecture choices.",
                    "type": "string"
                  },
                  "securityConcerns": {
                    "description": "Security measures to plan for - encryption, rate limiting, audit logging.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "specialConsiderations": {
                    "description": "Cross-cutting concerns that apply, such as accessibility, internationalisation or offline support.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "systemPattern": {
                    "description": "Architecture pattern - monolith, modular monolith, or microservices.",
                    "type": "string"
                  },
                  "teamSize": {
                    "description": "How many people are building this.",
                    "type": "string"
                  },
                  "technicalConstraints": {
                    "description": "Hard constraints - budget, existing infrastructure, legacy systems, a fixed deadline.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "testingStrategy": {
                    "description": "Testing approaches this project will use.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "userTypes": {
                    "description": "Who is going to use this system, e.g. end users, admins, internal staff.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "type": "object"
              }
            },
            "required": [
              "answers"
            ],
            "type": "object"
          }
        }
      ]
    },
    "name": "SpecPilot",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": null,
    "pageJsonUrl": "https://www.anchorterminal.com/tools/specpilot.json",
    "popularity": {
      "githubStars": 40
    },
    "registryName": "dev.specpilot/specpilot",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://init.specpilot.dev/mcp"
      }
    ],
    "repository": "https://github.com/girishr/SpecPilot",
    "reviewed": false,
    "slug": "specpilot",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=dev.specpilot/specpilot",
    "summary": "Generate and validate a .specs/ bundle for your repo, then hand it to your AI coding agent",
    "updatedAt": "2026-09-13T07:14:21Z",
    "url": "https://www.anchorterminal.com/tools/specpilot",
    "vendor": "specpilot.dev",
    "vendorUrl": "https://specpilot.dev/mcp-setup",
    "version": "1.0.0",
    "websiteUrl": "https://specpilot.dev/mcp-setup",
    "where": "hosted",
    "why": [
      "vendor"
    ]
  }
}
