How do I connect C64bridge MCP Server to Claude?

Run `claude mcp add c64bridge -- npx -y c64bridge@latest` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is C64bridge MCP Server free?

The listed licence is GPL-2.0. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can C64bridge MCP Server do?

C64bridge MCP Server documents 17 tools to the agent, including c64_batch, c64_config, c64_debug. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

C64bridge

Unclaimed

by chrisgleissner

MCP server to control and program the Commodore 64 Ultimate, Ultimate 64, Ultimate II, or VICE.

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'c64bridge' -- 'npx' '-y' 'c64bridge@latest'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

6510-assemblyaiassembly-languagebasic-programmingc64chatgptcommodorecommodore-64llmmcpmcp-servermusicpetsciiretrocomputingsid

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17 of 17 tools

Documented tools (17)

From project documentation. A server handshake does not verify each tool’s description or behavior.

c64_batch

Execute multiple c64bridge tool calls in a single request. Reduces latency for multi-step workflows.

c64_config

Grouped entry point for configuration reads/writes, diagnostics, and snapshots.

c64_debug

Grouped entry point for VICE debugger operations (breakpoints, registers, stepping).

c64_disk

Grouped entry point for disk mounts, listings, image creation, and program discovery.

c64_drive

Grouped entry point for drive power, mode, reset, and ROM operations.

c64_extract

Grouped entry point for sprite/charset extraction, memory dumps, filesystem stats, and firmware health checks.

c64_graphics

Grouped entry point for frame capture and graphics rendering workflows.

c64_input

Cross-platform PETSCII typing plus native Ultimate keyboard and joystick events.

c64_memory

Grouped entry point for memory I/O, screen reads, and screen polling.

c64_printer

Grouped entry point for Commodore and Epson printing helpers.

c64_program

Grouped entry point for program upload, execution, and batch workflows.

c64_rag

Grouped entry point for BASIC and assembly RAG lookups.

c64_select_backend

Switch the active backend between C64U/U64 hardware, U2-family cartridges, and the VICE emulator at runtime.

c64_sound

Grouped entry point for SID control, playback, composition, and analysis workflows.

c64_stream

Grouped entry point for starting and stopping Ultimate streaming sessions.

c64_system

Grouped entry point for power, reset, menu, and background task control.

c64_vice

Grouped entry point for reading and updating selected VICE resources.

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about C64bridge MCP Server

How do I connect C64bridge MCP Server to Claude?: Run `claude mcp add c64bridge -- npx -y c64bridge@latest` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is C64bridge MCP Server free?: The listed licence is GPL-2.0. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can C64bridge MCP Server do?: C64bridge MCP Server documents 17 tools to the agent, including c64_batch, c64_config, c64_debug. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.