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A tool bench for AI agents

Explore every mock MCP.

Find a service, investigate its contract, and send a tool call. See exactly what goes in and what comes back.

6,019mockable services
115,665cataloged operations

Synthetic data. Captured and projected contracts. Inspect each service’s source and limitations.

All MCP services

6,019 services · page 28 of 168
smithery

Casefold

sm--casefold-case-data

Casefold organizes custody documents for court. Upload filings, declarations, and court orders — AI surfaces claims by party and category, classifies files, and

7 operations7 with captured input schemas
smithery

CaseMgr

sm--mstang-casemgr

Shared workspace your AI agents write to. CMMN case management with 184 MCP tools: create cases, drive event-driven workflows with sentries, persistent memory w

203 operations203 with captured input schemas
composio

Castingwords

cx--castingwords

CastingWords offers high-quality, human-powered transcription services with a RESTful API for seamless integration into various workflows.

8 operations8 with captured input schemas
smithery

Catalo.ai - Book Discovery

sm--catalo-ai-catalo

## Find Books You'll Actually Finish You know what you like in a book,\ You just haven't had a good way to search for it.\ *Until now...* [Catalo.ai](https://

5 operations5 with captured input schemas
smithery

Catalunya 2022

sm--info-g03l-catalunya-2022

**Catalunya 2022 - RESET: Crida per reactivar el país** Un pla d'acció estratègic per al futur de Catalunya, estructurat en 3 àmbits (Societat Justa, Economi

4 operations4 with captured input schemas
smithery

Catalyst - AI Agent Governance

sm--markjsmith311-catalyst

Governance middleware for AI agents. Pre-execution permission gates with a progressive trust model (observe → advisory → proposal → strict), human-in-the-loop a

31 operations31 with captured input schemas
smithery

CatchAll

sm--newscatcherapi-catchall

CatchAll — captured from the smithery registry (smithery-registry); 60 tools.

60 operations60 with captured input schemas
composio

Cats

cx--cats

An API providing access to a vast collection of cat images, breeds, and facts.

1 operations1 with captured input schemas
smithery

Caulo

sm--frpatry93-caulo

Caulo — captured from the smithery registry (smithery-registry); 62 tools.

62 operations62 with captured input schemas
smithery

CCAPI

sm--support-uh3n-ccapi

CCAPI — captured from the smithery registry (smithery-registry); 11 tools.

11 operations11 with captured input schemas
smithery

CData Connect Cloud MCP Server

sm--cdatasoftware-connectcloud-mcp-server

Enable AI agents to query and manage cloud-connected data sources using SQL, metadata introspection, and stored procedures. Integrate with AI workflows to enhan

12 operations12 with captured input schemas
claude-plugins

cds-mcp

cp--cds-mcp

cds-mcp — captured from the real MCP server (live-stdio-process); 2 tools.

2 operations2 with captured input schemas
smithery

Cejel

sm--cejel

Cejel — captured from the smithery registry (smithery-registry); 1 tools.

1 operations1 with captured input schemas
smithery

ceki

sm--iwedmak-ceki

Hire specialists by the hour — search, schedule, and pay via MCP protocol.

19 operations19 with captured input schemas
smithery

celestine

sm--bouch-celestine

MCP server for astrological calculations — birth charts, transits, progressions, and calendar generation

12 operations12 with captured input schemas
composio

Celigo

cx--celigo

Integration platform as a service (iPaaS) for connecting applications and automating workflows

120 operations120 with captured input schemas
composio

Census Bureau

cx--census-bureau

The Census Bureau Data API provides developers with access to a wide range of statistical data collected by the U.S. Census Bureau, facilitating integration int

8 operations8 with captured input schemas
composio

CentralStationCRM

cx--centralstationcrm

CentralStationCRM is an easy-to-use CRM software focusing on collaboration and long-term customer relationships.

43 operations43 with captured input schemas
smithery

CerebroChain

sm--admin-8nvf-cerebrochain

Supply chain intelligence APIs for AI agents. Real-time freight rates (85+ carriers), crypto/forex/commodity prices, port congestion (NOAA), shipping lanes, e

13 operations13 with captured input schemas
composio

Certifier

cx--certifier

Certifier is a platform that enables organizations to create, manage, and issue digital certificates and credentials.

6 operations6 with captured input schemas