# unmarking (slim) > unmarking, an MCP server by unmark.ing, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Inspect and remove C2PA content credentials from AI-generated images, video and audio. Free, no key. - Full: https://www.anchorterminal.com/tools/unmarking.md (~650 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/tools/unmarking.json · canonical https://www.anchorterminal.com/tools/unmarking - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # unmarking > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by unmark.ing (https://unmark.ing/developers/) - Category: Secrets & credential vaults (https://www.anchorterminal.com/categories/secrets.md) - Listed because: It's published in the registry under unmark.ing, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Inspect and remove C2PA content credentials from AI-generated images, video and audio. Free, no key. ## Facts - MCP registry: `ing.unmark/unmarking` 0.1.1 - Endpoint: https://api.unmark.ing/mcp (streamable HTTP) - Package: npm `unmarking-mcp` (stdio) - Website: https://unmark.ing/developers/ - npm downloads a week: 35 - Registry entry updated: 2026-09-03 ## Tools - Tools it lists (2, about 282 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:25 UTC): - `inspect_file` (read-only): Reads the C2PA content credential embedded in a file and reports its signer, including whether the file was made with Claude. Nothing is modified. - `strip_file`: Removes the C2PA content credential from a file and returns a download link for the cleaned copy. Pixels, frames and samples stay untouched. - How its tools read to an agent (0 errors, 1 warning, 1 note, about 282 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score): - warn TC16 strip_file: no readOnlyHint or destructiveHint - note TC24 server: 2 of 2 tools have no outputSchema - JSON: https://www.anchorterminal.com/api/v1/tools/unmarking.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming