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Documentation Index

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The filter system controls which files get indexed. It supports two modes: blacklist (exclude matching files) and whitelist (only include matching files). Patterns use glob syntax.

​
Get Filter Config

GET /api/filters/config
cURL
curl http://localhost:60534/api/filters/config

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Response

200 Success
{
  "version": 2,
  "mode": "blacklist",
  "exclude": ["*.tmp", "node_modules/**"],
  "include": [],
  "blacklist_exclude": ["*.tmp", "node_modules/**"],
  "blacklist_include": [],
  "whitelist_include": ["*.pdf", "*.docx", "*.md"],
  "whitelist_exclude": [],
  "config_path": "/Users/username/Library/Application Support/cosma/filter.toml"
}

​
Fields

FieldDescription
mode"blacklist" or "whitelist"
exclude / includeActive patterns for current mode (legacy fields)
blacklist_exclude / blacklist_includePatterns stored for blacklist mode
whitelist_include / whitelist_excludePatterns stored for whitelist mode
Mode-specific pattern storage prevents data loss when switching between blacklist and whitelist modes.

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Update Filter Config

PUT /api/filters/config Update the filter configuration. All fields are optional.
​
mode
string
"blacklist" or "whitelist"
​
apply_immediately
boolean
default:"true"
If true, immediately remove newly-excluded files from the index
cURL
curl -X PUT http://localhost:60534/api/filters/config \
  -H "Content-Type: application/json" \
  -d '{
    "mode": "blacklist",
    "blacklist_exclude": ["*.tmp", "*.log", "node_modules/**"],
    "apply_immediately": true
  }'

​
Response

200 Success
{
  "success": true,
  "message": "Filter configuration updated successfully",
  "config": { ... },
  "removed_count": 15
}

​
Add Pattern

POST /api/filters/pattern Add a single pattern to the filter config.
cURL
curl -X POST http://localhost:60534/api/filters/pattern \
  -H "Content-Type: application/json" \
  -d '{"pattern": "*.log", "pattern_type": "exclude"}'
200 Success
{
  "success": true,
  "message": "Added exclude pattern: *.log",
  "removed_count": 3
}

​
Remove Pattern

DELETE /api/filters/pattern Remove a pattern from the filter config.
cURL
curl -X DELETE http://localhost:60534/api/filters/pattern \
  -H "Content-Type: application/json" \
  -d '{"pattern": "*.log", "pattern_type": "exclude"}'
200 Success
{
  "success": true,
  "message": "Removed exclude pattern: *.log"
}

​
Apply Filter Changes

POST /api/filters/apply Trigger cleanup of excluded files. Use after updating config with apply_immediately: false.
cURL
curl -X POST http://localhost:60534/api/filters/apply

​
Get Default Config

GET /api/filters/defaults Returns the default filter patterns without loading from file.
cURL
curl http://localhost:60534/api/filters/defaults

​
Reset to Defaults

POST /api/filters/reset Reset filter config to defaults and clean up excluded files.
cURL
curl -X POST http://localhost:60534/api/filters/reset