generated: '2026-08-13' method: searched status: published source: https://docs.sumble.com/api/mcp status_probe: url: https://mcp.sumble.com/ method: POST tools/list (jsonrpc 2.0) http_status: 401 www_authenticate: Bearer error="invalid_token", error_description="Authentication required", resource_metadata="https://mcp.sumble.com/.well-known/oauth-protected-resource" checked: '2026-08-13' interpretation: 'The live tool schemas are OAuth-gated, which is the correct MCP posture: the 401 carries a WWW-Authenticate challenge pointing at RFC 9728 protected-resource metadata. The tool NAMES and DESCRIPTIONS below are the provider''s own published list from docs.sumble.com/api/mcp; per-tool inputSchema requires an authenticated tools/list call and is NOT recorded here rather than guessed.' server: name: sumble transport: http url: https://mcp.sumble.com description: Sumble's hosted remote MCP server. Ask questions in natural language and get back structured data about organizations, technologies, job postings, and people directly inside AI tools; the assistant calls Sumble's API on your behalf. deployment: mode: remote endpoint: https://mcp.sumble.com verified: probed probe: gated checked: '2026-08-12' source: catalog MCP census authorization: scheme: OAuth 2.0 (authorization code + PKCE S256, dynamic client registration) issuer: https://mcp.sumble.com/ authorization_endpoint: https://mcp.sumble.com/authorize token_endpoint: https://mcp.sumble.com/token registration_endpoint: https://mcp.sumble.com/register grant_types: - authorization_code - refresh_token code_challenge_methods: - S256 bearer_methods: - header discovery: - spec: RFC 8414 url: https://mcp.sumble.com/.well-known/oauth-authorization-server status: 200 file: ../well-known/sumble-mcp-oauth-authorization-server.json - spec: RFC 9728 url: https://mcp.sumble.com/.well-known/oauth-protected-resource status: 200 file: ../well-known/sumble-mcp-oauth-protected-resource.json scopes_published: false note: The authorization-server metadata declares no scopes_supported, and no scope/permission reference is published in the docs, so no scopes/ artifact is emitted for this provider. directories: - platform: Claude url: https://claude.ai/directory/connectors/sumble availability: Paid plans only; admin must enable connectors (Team/Enterprise) - platform: ChatGPT url: https://chatgpt.com/apps/sumble/asdk_app_69d6aed609708191a384fb6b59438690 availability: App directory (one-click install) install: claude_directory: https://claude.ai/directory/connectors/sumble claude_code: claude mcp add --transport http sumble https://mcp.sumble.com --scope user cursor_config: '{ "sumblemcp": { "type": "http", "url": "https://mcp.sumble.com" } }' gemini_cli: gemini mcp add sumble https://mcp.sumble.com clients_documented: - Claude Desktop - Claude Code - Cursor - ChatGPT - Gemini CLI billing: model: credits note: MCP calls consume the same account credits as the REST API; structured find/enrich tools follow the corresponding REST endpoint pricing. RunSqlQuery is priced at 1 credit per 100 bytes of response data. tool_count: 33 tools: - name: FindMatchAndEnrichOrganizations category: organizations description: Find, match, and enrich organizations in one call — search by advanced query or resolve a list of names/URLs/IDs; returns selected attributes and per-entity metrics (technology, jobs, teams, people). credit_cost: 1 credit per matched org + 1 per paid attribute + per-entity metric costs - name: GetIntelligenceBrief category: organizations description: LLM-generated sales intelligence brief for a target account, synthesized by Google Gemini from Sumble structured data. credit_cost: 50 credits per completed brief - name: GetOrganizationTechStack category: organizations description: Get an organization CONFIRMED-USED technology stack, grouped by business function and technology category. credit_cost: 1 credit per technology returned - name: ListOrganizationLists category: organization-lists description: List saved organization lists with IDs, web app URLs, organization counts, read-only/deletable flags, deleted status, and Signals inclusion settings. credit_cost: 1 credit per list - name: GetOrganizationList category: organization-lists description: Get one organization list and the organizations in it. credit_cost: 1 credit per organization - name: CreateOrganizationList category: organization-lists description: Create a new empty organization list. credit_cost: Free - name: RenameOrganizationList category: organization-lists description: Rename an existing organization list, keeping its ID, URL, and organizations. credit_cost: Free - name: AddOrganizationsToList category: organization-lists description: Add organizations to an existing list by ID or slug. credit_cost: Free - name: SetOrganizationListDeleted category: organization-lists description: Soft-delete an organization list, or restore a deleted one. credit_cost: Free - name: SetOrganizationListSignals category: organization-lists description: Include or exclude a list's accounts from future Signals delivery. credit_cost: Free - name: SearchSignals category: signals description: Search Sumble Signals by signal IDs, organization IDs, person IDs, technologies, job functions, priorities, or saved organization lists. Returns only signals from the last 60 days except direct signal_ids lookups. credit_cost: 1 credit per signal returned - name: SearchPrioritySignals category: signals description: Search Priority Signals digest items by source signal IDs, organization IDs, person IDs, job post IDs, or relevance feedback. credit_cost: 1 credit per priority signal returned - name: UpdatePrioritySignalRelevance category: signals description: Mark a priority signal relevant or not relevant, or clear the feedback. credit_cost: Free - name: ListSignalConfigs category: signals description: List the active standing rules that decide which signals you receive. Read-only. credit_cost: Free - name: FindMatchAndEnrichJobs category: jobs description: Find, look up, and enrich job postings in one call — search by advanced query or enrich a list of job IDs. credit_cost: 1 credit per job + 1 per paid attribute + 1 per related person returned - name: LookupJobTitles category: jobs description: Resolve a list of job titles to their canonical job function and level. credit_cost: 1 credit per 100 matched titles - name: FindMatchAndEnrichPeople category: people description: Find, match, and enrich people in one call — resolve person IDs, LinkedIn URLs, or emails, or search within organizations; optional email/phone contact reveals. credit_cost: 1 credit per person + 1 per paid attribute + 1 per related person; 10 credits per first email reveal, 80 per first phone reveal - name: ListContactLists category: contact-lists description: List saved contact (people) lists with IDs and people counts. credit_cost: 1 credit per list - name: GetContactList category: contact-lists description: Get one contact list and the people in it. credit_cost: 1 credit per person - name: CreateContactList category: contact-lists description: Create a new empty contact list. credit_cost: Free - name: AddContactsToList category: contact-lists description: Add people to an existing contact list by person ID. credit_cost: Free - name: SearchTechnologies category: technologies description: Look up technology names and slugs. credit_cost: 1 credit per search - name: LookupTechnologies category: technologies description: Resolve a list of technology names, slugs, or aliases to canonical IDs, slugs, names, and categories. credit_cost: 1 credit per 100 matched technologies - name: LookupTechnologyCategories category: technologies description: Resolve a list of technology category slugs or names to their canonical categories and constituent technologies. credit_cost: 1 credit per 100 matched categories - name: LookupProjects category: projects description: Resolve a list of project names or slugs to canonical IDs, slugs, and names. credit_cost: 1 credit per 100 matched projects - name: ReportDataQualityIssue category: support description: Report a data quality or coverage issue; routed to the Sumble data team. credit_cost: Free - name: SubmitSupportRequest category: support description: Submit a general account, billing, or access support request. credit_cost: Free - name: RunSqlQuery category: database description: Run read-only SQL against Sumble's DuckDB (last resort). credit_cost: 1 credit per 100 bytes of response - name: ListTables category: database description: List all tables and columns in the database. credit_cost: Free - name: GetAccountInformation category: account description: Check your credit balance, API key status, and plan info. credit_cost: Free - name: GetMyCompanyProfile category: account description: Get your company's profile and target account intelligence profile. credit_cost: Free - name: ListDocumentation category: documentation description: List every documentation page, with its title and where it sits in the navigation. credit_cost: Free - name: GetDocumentationPage category: documentation description: Read one documentation page, by the path ListDocumentation returned. credit_cost: Free tool_count_note: 33 tools enumerated verbatim from the provider's published tables at https://docs.sumble.com/api/mcp, grouped into 12 categories, as of the checked date. Names and descriptions only — inputSchema is OAuth-gated. provider_skills: - url: https://github.com/SumbleData/sumble-mcp kind: Agent Skill note: First-party skill teaching agents how to sequence these tools. Its references/tool-reference.md is STALE — it documents a legacy tool set (FindOrganizations, MatchOrganizations, EnrichOrganization, EnrichPerson, FindJobs, GetJobDescription, FindRelatedPeopleToJob, LogOut) that the current docs have collapsed into the unified FindMatchAndEnrich* tools. Trust docs.sumble.com/api/mcp over the repo. crosswalk: mcp/sumble-tool-crosswalk.yml notes: Backed by the Sumble REST API (openapi/_original/sumble-openapi-original.json).